DOCSP-39990 Configure points of presence for GOV (#54)

* DOCSP-39990 Configure points of presence for GOV

* DOCSP-39990 updates for feedback

* Apply suggestions from code review

Co-authored-by: John Williams <[email protected]>

* DOCSP-39990 minor correction

---------

Co-authored-by: John Williams <[email protected]>

Author: kanchana-mongodb

source/security.txt

@@ -80,3 +80,18 @@ Private Endpoints
 
 See the |service| documentation to 
 :atlas:`Set up a Private Endpoint </security-private-endpoint/>`.
+
+Outbound IP Addresses 
+~~~~~~~~~~~~~~~~~~~~~
+
+You can use the following endpoints: 
+
+- Use the :oas-atlas-op:`Return All IP Addresses for One Project
+  </returnAllIPAddresses>` endpoint to retrieve all outbound IP
+  addresses for the clusters in your project. To use this endpoint, 
+  your API key must have the :authrole:`Project Read Only` role.  
+
+- Use the :oas-atlas-op:`Return All Control Plane IP Addresses
+  </returnAllControlPlaneIPAddresses>` endpoint to retrieve all outbound
+  IP addresses for the Atlas control plane, categorized by cloud
+  provider.