make tsc limiation a sub-section of Behavior (#1479)

Author: jeff-allen-mongo

source/core/views.txt

@@ -86,7 +86,7 @@ You cannot specify a sharded view for the ``from`` field in
 :pipeline:`$lookup` and :pipeline:`$graphLookup` operations.
 
 Time Series Collections
------------------------
+~~~~~~~~~~~~~~~~~~~~~~~
 
 .. include:: /includes/time-series/fact-view-limitation.rst