added link to documentation in the read me

README.md

@@ -2,3 +2,6 @@
 
 Python port of the matlab library kkn https://git.rwth-aachen.de/nils.preuss/rdm-kraken/
 Another mythical sea monster as name maybe? 
+
+## Documentation
+The documentation can be found [here](https://fst-tuda.pages.rwth-aachen.de/public/pykkn/).
\ No newline at end of file