Feature/update documentation

Update documentation

• use rst files instead of markdown
• no more autodoc2, fully replaced with autodoc
• updated the documentation, so less output from Vale or Sphinx (warning-wise)

docs/source/conf.py

@@ -19,7 +19,7 @@ html_css_files = ['custom.css']
 html_js_files = ['custom.js']
 html_logo = 'static/geant_logo_white.svg'
 
-# Both the class' and the __init__ method's docstring are concatenated and inserted.
+# Both the class' and the ``__init__`` method's docstring are concatenated and inserted.
 autoclass_content = 'both'
 
 # Display todos by setting to True