Updated README.md and removed superfluous files

Author: Uwe Kindler

.astylerc

@@ -36,6 +36,14 @@ a floating widget or from one dock area to another one.
 
 ![Grouped dragging](grouped-dragging.png)
 
+### Perspectives for fast switching of the complete main window layout
+A perspective defines the set and layout of dock windows views in the main
+window. You can save the current layout of the dockmanager into a named
+perspective to make your own custom perspective. Later you can simply
+select a perspective from the list to quickly switch the complete main
+window layout.
+
+![Perspective](perspectives.png)
 
 ## Tested Compatible Environments
 - Windows 10