Generated API reference fixes

direct/src/directbase/DirectStart.py

@@ -1,3 +1,5 @@
+""" This is a deprecated module that creates a global instance of ShowBase. """
+
 __all__ = []
 print('Using deprecated DirectStart interface.')
 

direct/src/showbase/ShowBase.py

@@ -1,4 +1,6 @@
-"""Undocumented Module"""
+""" This module contains ShowBase, an application framework responsible
+for opening a graphical display, setting up input devices and creating
+the scene graph. """
 
 __all__ = ['ShowBase', 'WindowControls']