DOCSP-48351: mongosh helper methods (#393)

* commit

* url fix

Author: mayaraman19

source/reference/methods.txt

@@ -1339,6 +1339,17 @@ Sharding Methods
      - Returns a boolean to report if the :term:`balancer` process is
        currently migrating chunks.
 
+   * - :upcoming:`sh.isConfigShardEnabled()
+       </reference/method/sh.isConfigShardEnabled>`
+     - Returns whether a cluster has a :ref:`config shard <config-shard-concept>`.
+       If it does, ``sh.isConfigShardEnabled()`` also returns
+       host and tag information.
+
+   * - :upcoming:`sh.listShards()
+       </reference/method/sh.listShards>`
+     - Returns an array of documents describing the
+       shards in a sharded cluster. 
+
    * - :method:`sh.moveChunk()`
 
      - Migrates a :term:`chunk` in a :term:`sharded cluster`.