RUBY-3219: Add link for AWS Lambda connection to Atlas (#2707)

Author: alexbevi

docs/reference/create-client.txt

@@ -363,6 +363,13 @@ when connecting to a MongoDB deployment and verify that the connection is succes
     client.close
   end
 
+Connect to MongoDB Atlas from AWS Lambda
+----------------------------------------
+
+To learn how to connect to Atlas from AWS Lambda, see the
+`Manage Connections with AWS Lambda <https://www.mongodb.com/docs/atlas/manage-connections-aws-lambda/>`__
+documentation.
+
 .. _srv-uri-notes:
 
 SRV URI Notes