fix more references

doc/Installation.md

@@ -51,7 +51,6 @@ echo ADMIN_USER: admin
 echo ADMIN_PASS: $(kubectl get secret --namespace villas villas-web -o jsonpath="{.data.password}" | base64 --decode)
 ```
 
-
 ## Access the application
 
-@todo: Add explanation how to access ingress
+@todo Add explanation how to access Ingress

doc/fpga/Setup.md

@@ -4,13 +4,13 @@
 
 ### Bitstreams
 
-@todo: Create a list of available bitstreams
+@todo Create a list of available bitstreams
 
-@todo: Add instructions on how to flash a bitstream.
+@todo Add instructions on how to flash a bitstream.
 
 ### Indentify PCIexpress device
 
-@todo: Describe the usage of `lspci`
+@todo Describe the usage of `lspci`
 
 ## Kernel
 
@@ -18,7 +18,7 @@
 
 VILLASfpga requires a recent Linux kernel with version > 4.x.x
 
-@todo: Find the lowest supported kernel version.
+@todo Find the lowest supported kernel version.
 
 ### Command Line
 
@@ -26,7 +26,7 @@ VILLASfpga uses the VFIO subsystem to access the FPGA hardware.
 
 VFIO requires an IOMMU.
 
-@todo: Describe the necessary changes to the bootloader/Grub.
+@todo Describe the necessary changes to the bootloader/Grub.
 
 ### Modules
 
@@ -39,4 +39,4 @@ If not
 
 ## Run VILLASfpga without Super-User privileges
 
-@todo
\ No newline at end of file
+@todo

doc/node/hooks/Average.md

@@ -2,7 +2,7 @@
 
 The `average` hook calculates arithmetic mean over a set of signals and insert it as a new value to the samples.
 
-# Implementation
+# Implementation {#node-hook-type-average-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/average.cpp
@@ -15,6 +15,6 @@ https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/average.
 
 The signal offset at which the average signal should be inserted.
 
-## Example
+# Example {#node-hook-type-average-example}
 
 @include node/etc/examples/hooks/average.conf

doc/node/hooks/Cast.md

@@ -2,7 +2,7 @@
 
 The `cast` hook casts the data-type of signals and can set a new name and unit to the casted signal.
 
-# Implementation
+# Implementation {#node-hook-type-cast-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/cast.cpp
@@ -19,6 +19,6 @@ The the type of the casted signal.
 
 ## new_type (string) {#node-config-hook-cast-new_type}
 
-## Example
+# Example {#node-hook-type-cast-implementation}
 
 @include node/etc/examples/hooks/cast.conf

doc/node/hooks/Decimate.md

@@ -2,7 +2,7 @@
 
 The `decimate` hook reduces the sampling rate by periodically discarding samples.
 
-# Implementation
+# Implementation {#node-hook-type-decimate-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/decimate.cpp
@@ -13,6 +13,6 @@ https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/decimate
 
 The decimation ratio. A value of 4 will skip every, but the 4th sample in a row.
 
-## Example
+# Example {#node-hook-type-cast-implementation}
 
 @include node/etc/examples/hooks/decimate.conf

doc/node/hooks/Drop.md

@@ -2,7 +2,7 @@
 
 The `drop` hook will discard samples which a received with repeating or reordered sequence numbers.
 
-# Implementation
+# Implementation {#node-hook-type-drop-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/drop.cpp

doc/node/hooks/Dump.md

@@ -2,7 +2,7 @@
 
 The `dump` hook will print a detailed dump of each processes samples to the standard output.
 
-# Implementation
+# Implementation {#node-hook-type-dump-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/dump.cpp
@@ -11,6 +11,6 @@ https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/dump.cpp
 
 The `dump` hook has no configurable options.
 
-## Example
+# Example {#node-hook-type-dump-example}
 
 @include node/etc/examples/hooks/dump.conf

doc/node/hooks/DynamicPhasor.md

 # Dynamic Phasor calculation / DFT {#node-hook-type-dp}
 
-# Implementation
+# Implementation {#node-hook-type-dp-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/dp.cpp
 
-
 # Configuration {#node-config-hook-dp}
 
-## Example
+# Example {#node-hook-type-dp-example}
 
 @include node/etc/examples/hooks/dp.conf

doc/node/hooks/EnergyBasedMetric.md

 # Energy Based Metric calculation {#node-hook-type-ebm}
 
-# Implementation
+# Implementation {#node-hook-type-ebm-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/ebm.cpp
 
-
 # Configuration {#node-config-hook-ebm}
 
-## Example
+# Example {#node-hook-type-ebm-example}
 
 @include node/etc/examples/hooks/ebm.conf

doc/node/hooks/Fix.md

@@ -2,13 +2,11 @@
 
 The `fix` hook checks each sample and adds missing metadata such as timestamps or sequence numbers.
 
-# Implementation
+# Implementation {#node-hook-type-fix-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/fix.cpp
 
 # Configuration {#node-config-hook-fix}
 
-## Example
-
-@include node/etc/examples/hooks/fix.conf
+The `drop` hook is a built-in hook. It is active by default and does not require any further options.

doc/node/hooks/JitterCalc.md

 # Calculate Jitter {#node-hook-type-jitter_calc}
 
-# Implementation
+# Implementation {#node-hook-type-jitter_calc-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/jitter_calc.cpp
 
 # Configuration {#node-config-hook-jitter_calc}
 
-## Example
+# Example {#node-hook-type-jitter_calc-implementation}
 
 @include node/etc/examples/hooks/jitter_calc.conf

doc/node/hooks/LimitRate.md

@@ -3,7 +3,7 @@
 The `limit_rate` hook discards samples in order to limit the sample rate to a certain rate.
 The decission whether a sample is discarded or not is based on its timestamp.
 
-# Implementation
+# Implementation {#node-hook-type-limit_rate-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/limit_rate.cpp
@@ -12,6 +12,6 @@ https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/limit_ra
 
 ## rate (float) {#node-config-hook-limit_rate-rate}
 
-## Example
+# Example {#node-hook-type-limit_rate-example}
 
 @include node/etc/examples/hooks/limit_rate.conf

doc/node/hooks/Lua.md

@@ -5,11 +5,11 @@ The `lua` hook allows for the evaluation arbitrary Lua expressions.
 Take a look at some example Lua scripts used by this hook here:
 https://git.rwth-aachen.de/acs/public/villas/node/-/tree/master/lua/hooks
 
-# Prerequisites {#node-prereq-node-lua}
+# Prerequisites {#node-hook-type-lua-prereq}
 
 This hook requires [Lua](https://www.lua.org/) (>= 5.1).
 
-# Implementation
+# Implementation {#node-hook-type-lua-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/lua.cpp
@@ -83,10 +83,10 @@ Note you can access the current sample using the global Lua variable `smp`.
 The Lua hook will pass the complete hook configuration to the `prepare()` Lua function.
 So you can add arbitrary settings here which are then consumed by the Lua script.
 
-## Example
+# Example {#node-hook-type-lua-example}
 
 @include node/etc/examples/hooks/lua.conf
 
-# Example Lua script
+# Example Lua script {#node-hook-type-lua-example-script}
 
 @include node/lua/hooks/test.lua

doc/node/hooks/Print.md

@@ -17,6 +17,6 @@ https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/print.cp
 
 ## prefix (string) {#node-config-hook-print-prefix}
 
-## Example
+# Example {#node-hook-type-print-example}
 
 @include node/etc/examples/hooks/print.conf

doc/node/hooks/Restart.md

@@ -2,7 +2,7 @@
 
 The `restart` hook tries to detect starts/restarts of simulation cases by looking for wrap-arounds in sequence numbers.
 
-# Implementation
+# Implementation {#node-hook-type-restart-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/restart.cpp

doc/node/hooks/Scale.md

@@ -3,7 +3,7 @@
 The `scale` hook modifies sample signals by a gain factor and optionally ads an offset.
 First the original signal value is multiplied by the gain, then the offset is added.
 
-# Implementation
+# Implementation {#node-hook-type-scale-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/scale.cpp
@@ -22,6 +22,6 @@ The offset which is added to the signal after gain.
 
 The gain which is mulitplied to the signal before the offset is added.
 
-## Example
+# Example {#node-hook-type-scale-example}
 
 @include node/etc/examples/hooks/scale.conf

doc/node/hooks/ShiftSequence.md

 # Shift sequence numbers {#node-hook-type-shift_seq}
 
-# Implementation
+# Implementation {#node-hook-type-shift_seq-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/shift_seq.cpp
@@ -11,6 +11,6 @@ https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/shift_se
 
 The offset which is added to the sequence number of each processed sample.
 
-## Example
+# Example {#node-hook-type-shift_seq-example}
 
 @include node/etc/examples/hooks/shift_seq.conf

doc/node/hooks/ShiftTimestamp.md

 # Shift timestamps {#node-hook-type-shift_ts}
 
-# Implementation
+# Implementation {#node-hook-type-shift_ts-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/shift_ts.cpp
@@ -11,6 +11,6 @@ https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/shift_ts
 
 ## offset (float) {#node-config-hook-shift_ts-offset}
 
-## Example
+# Example {#node-hook-type-shift_ts-example}
 
 @include node/etc/examples/hooks/shift_ts.conf

doc/node/hooks/SkipFirst.md

@@ -3,7 +3,7 @@
 The `skip_first` hook discards the first samples of a simulation case.
 It can either drop the first `n` samples or drop the first `n` seconds of a case.
 
-# Implementation
+# Implementation {#node-hook-type-skip_first-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/skip_first.cpp
@@ -16,6 +16,6 @@ The configuration consists of two options which are exclusive:
 
 ## seconds (integer) {#node-config-hook-skip_first-seconds}
 
-## Example
+# Example {#node-hook-type-skip_first-implementation}
 
 @include node/etc/examples/hooks/average.conf

doc/node/hooks/Statistics.md

@@ -34,7 +34,7 @@ For each of the metrics the following moments / attrbributes are collected:
 | `stddev`  | float   | The standard deviation across all collected values. |
 | `total`   | integer | The total number of collected values.               |
 
-# Implementation
+# Implementation {#node-hook-type-stats-implementation}
 
 The source code of the hook is available here:
 https://git.rwth-aachen.de/acs/public/villas/node/blob/master/lib/hooks/stats.cpp
@@ -63,6 +63,6 @@ Include full dumps of the histogram buckets into the output.
 The file where you want to write the report to.
 If omitted, stdout (the terminal) will be used.
 
-## Example
+# Example {#node-hook-type-stats-example}
 
 @include node/etc/examples/hooks/stats.conf