Updates Config Actions documentation
Initial commit based on work at https://docs.google.com/document/d/1LAbky8RTNpnurZiDeHwhKbHVhDynnzJYPhul4F1Jt3o
Initial commit based on work at https://docs.google.com/document/d/1LAbky8RTNpnurZiDeHwhKbHVhDynnzJYPhul4F1Jt3o