DOCSP-10860 doc for storageValidateConfig command (#35)

DOCSP-10860 fix for spacing issue

Author: kanchana-mongodb

source/config/config-data-lake.txt

@@ -74,7 +74,10 @@ database commands to set or update the {+data-lake-short+} configuration:
 
 Replace ``<config>`` with the {+data-lake-short+} configuration
 file. For complete documentation on the configuration fields and file 
-format, see :ref:`datalake-configuration-format`.
+format, see :ref:`datalake-configuration-format`. You can validate 
+your :ref:`configuration <datalake-configuration-file>` before setting or 
+updating the {+data-lake-short+} configuration by running the 
+:ref:`storageValidateConfig <datalake-validatestorageconfig>` command.
 
 To set or update the storage configuration through the |service| UI: 
 
@@ -87,6 +90,45 @@ To set or update the storage configuration through the |service| UI:
 
 2. Make changes to your storage configuration and click :guilabel:`Save`.
 
+.. _datalake-validatestorageconfig:
+
+Validate {+data-lake-short+} Configuration
+------------------------------------------
+
+You can run the following command to validate your {+data-lake-short+} 
+:ref:`configuration <datalake-configuration-file>`. 
+
+.. code-block:: javascript
+
+   use admin
+   db.runCommand( { "storageValidateConfig" : <config> } )
+
+Replace ``<config>`` with the {+data-lake-short+} configuration
+file. For complete documentation on the configuration fields and file 
+format, see :ref:`datalake-configuration-format`.
+
+The command returns the following if your {+dl+} configuration is valid:
+
+.. code-block:: sh 
+   :copyable: false
+
+   { "ok" : 1 }
+
+The command returns the list of errors in the ``errs`` field if your 
+{+dl+} storage configuration is invalid:
+
+.. code-block:: sh 
+   :copyable: false
+
+   {
+	  "ok" : 1,
+	  "errs" : [
+		  "<error>",
+		  "<error>",
+		  ...
+	  ]
+   }
+
 .. _datalake-storagegenconfig:
 
 Generate {+data-lake-short+} Configuration