DOCSP-19767 Document region limitation of private endpoint (#216)

Author: kanchana-mongodb

source/includes/steps-create-new-privatelink.yaml

@@ -7,7 +7,7 @@ inherit:
 ---
 ref: select-aws
 level: 4
-stepnum: 2
+stepnum: 0
 inherit:
   file: steps-source-privatelink.yaml
   ref: create-private-endpoint
@@ -29,18 +29,25 @@ content: |
 ---
 ref: select-region
 level: 5
-stepnum: 1
+stepnum: 0
 title: "Choose an |aws| region."
 content: |
 
   a. From the :guilabel:`AWS Region` list, select the region where you 
      want to create the private endpoint.
+
+     You can select one of the following regions: 
+
+     .. include:: /includes/list-table-supported-aws-regions.rst
+
+     To learn more, see :ref:`atlas-data-lake-regions`.
+
   #. Click :guilabel:`Next`.
 
 ---
 ref: enter-aws-vps-details
 level: 5
-stepnum: 2
+stepnum: 0
 inherit:
   ref: configure-private-endpoint
   file: steps-source-privatelink.yaml
@@ -93,15 +100,15 @@ content: |
 ---
 ref: create-private-endpoint-aws
 level: 5
-stepnum: 3
+stepnum: 0
 title: "Run the command to create your |vpc| interface endpoint."
 content: |
   Copy the command the dialog displays and run it using the |aws| CLI.
 
 ---
 ref: configure-private-endpoint-aws
 level: 5
-stepnum: 3
+stepnum: 0
 title: "Modify the private |dns| name to ensure that the hostname 
        resolves to an address on your network."
 content: |
@@ -114,7 +121,7 @@ content: |
 ---
 ref: finish-private-endpoint-aws
 level: 5
-stepnum: 4
+stepnum: 0
 title: "Click :guilabel:`Finish endpoint creation`."
 
 ...