Add index entry for base controller

jim-parry · web-flow · commit 1828637e4fef · 2019-03-25T21:40:50.000-07:00
diff --git a/user_guide_src/source/extending/index.rst b/user_guide_src/source/extending/index.rst
@@ -9,4 +9,5 @@ CodeIgniter 4 has been designed to be easy to extend or build upon.
 
     core_classes
     events
+    basecontroller
     contributing
