DOCSP-12858 Support geoNear and graphLookup in ADL (#96)

* DOCSP-12858 Support geoNear in ADL

* DOCSP-12858 updates for copy review feedback

DOCSP-12858 updates

DOCSP-12858 updates

* DOCSP-12858 updates for review feedback

Author: kanchana-mongodb

source/supported-unsupported/mql-support.txt

@@ -41,21 +41,32 @@ Aggregation Commands
 
      - The following limitations apply:
 
-       * Only the ``explain``, ``cursor``, and ``comment`` options are 
-         supported. Note that {+adl+} only supports type ``string`` for 
-         the ``comment`` option.
-       * The ``$collStats``, ``$geoNear``, ``$graphLookup``,
-         ``$indexStats``, ``$listLocalSessions``, and ``$listSessions``
+       * {+adl+} supports only the ``explain``, ``cursor``, and ``comment`` 
+         options. For the ``comment`` option, {+adl+} supports only type 
+         ``string``.
+       * {+adl+} supports :pipeline:`$geoNear` and :pipeline:`$graphLookup`   
          :manual:`aggregation pipeline stages
-         </reference/operator/aggregation-pipeline>` are not supported.
+         </reference/operator/aggregation-pipeline>` in queries on {+dl+} 
+         collections that are mapped to one |service| collection only. 
+         {+adl+} doesn't support these :manual:`aggregation pipeline 
+         stages </reference/operator/aggregation-pipeline>` for:
+
+         - |s3| or |http| {+data-lake-stores+}.
+         - Queries on {+dl+} collections that are mapped to multiple |service| 
+           collections. 
+         
+         See :ref:`query-atlas` for more information.
+       * {+adl+} Doesn't support the ``$collStats``, ``$indexStats``, 
+         ``$listLocalSessions``, and ``$listSessions`` :manual:`aggregation 
+         pipeline stages </reference/operator/aggregation-pipeline>`.
 
    * - :manual:`count </reference/command/count>`
 
      - The following limitations apply:
 
-       * ``count()`` is converted to an aggregation pipeline internal
+       * {+adl+} converts ``count()`` to an aggregation pipeline internal
          to |data-lake|.
-       * Only the ``query`` option is supported.
+       * {+adl+} supports only the ``query`` option.
 
 Diagnostic Commands
 -------------------