Update documentation

docs/fix_readme.py

@@ -5,6 +5,7 @@ with open('../README.rst', 'r') as file:
     content = file.read()
 content = content.replace('images/dark.gif', 'https://github.com/UN-GCPDS/qt-material/raw/master/docs/source/images/dark.gif')
 content = content.replace('images/light.gif', 'https://github.com/UN-GCPDS/qt-material/raw/master/docs/source/images/light.gif')
+content = content.replace('images/theme.gif', 'https://github.com/UN-GCPDS/qt-material/raw/master/docs/source/images/theme.gif')
 end = content.find('Indices and tables')
 with open('../README.rst', 'w') as file:
     file.write(content[:end])

docs/source/index.rst

@@ -122,14 +122,31 @@ Save it as `my_theme.xml` or similar and apply the style sheet from Python.
 Light themes
 ------------
 
-Light themes will need to add `light_secondary` argument as `True`.
+Light themes will need to add `invert_secondary` argument as `True`.
 
 .. code:: python
 
-  apply_stylesheet(app, theme='dark_teal.xml', light_secondary=True)
+  apply_stylesheet(app, theme='light_red.xml', invert_secondary=True)
 
 
-New Themes
+Run example
+-----------
+
+A window with almost all widgets (see the previous screenshots) are available to
+test all themes and **create new ones**.
+
+.. code:: bash
+
+  git clone https://github.com/UN-GCPDS/qt-material.git
+  cd qt-material
+  python setup.py install
+  cd test
+  python main.py --PySide6
+
+.. image:: images/theme.gif
+
+
+New themes
 ----------
 
 Do you have a custom theme? it looks good? create a