Modify style documentation (#313)

* New homepage

* Remove banner stats and adjust text

* documentation/add section Why use the suite

* documentation/small modification home page

* process review Rob

* remove on Landing page: "Where do you want to start?"

Author: MatthiasHauthDeltares

sources/Deltares.Probabilistic.Python/readme.txt

@@ -2,5 +2,9 @@ The batch files have the following meaning
 
 create_wheel.bat - Creates the wheel file
 install_wheel.bat - Installs the wheel (reinstall if already existing)
-uninstall_wheel.bat - Uninstalls the wheel 
-update_wheel.bat - Combines create wheel and (re)install wheel 
+uninstall_wheel.bat - Uninstalls the wheel
+update_wheel.bat - Combines create wheel and (re)install wheel
+
+
+build sphinx documentation: in folder Deltares.Probabilistic.PWrapper, run: Deltares.Probabilistic.PWrapper>    sphinx-build -b html ../../web ../../web/build/html
+