DOCSP-25143 Adds /reverse to COMMITTED state (#258)

Author: kennethdyer

source/reference/mongosync-states.txt

@@ -77,3 +77,4 @@ operations in that state.
    * - ``COMMITTED``
      - The cutover for the sync process is complete.
      - - ``GET`` :ref:`/progress <c2c-api-progress>`
+       - ``GET`` :ref:`/reverse <c2c-api-reverse>`