Draft: Merge version0.1 changes into dev

Working plotID package version 0.1.0 with basic functionality. It is ready for testing according. This can be done with the instructions from the README.

README.md

@@ -11,7 +11,7 @@ PlotID is a program connected to Research Data Management (RDM). It has two main
 Currently there are two options to run PlotID. Either install it via pip from the Python Package Index (PyPi) or install PlotID from the source code.
 
 ### From PyPi with pip
-1. *Optional* Create a virtual environment and activate it:  
+1. [Optional] Create a virtual environment and activate it:  
 ```bash
 pip install venv
 mkdir venv