DOCSP-48543: Add Lambda link (#93)

(cherry picked from commit c8471fb)

Author: mcmorisi

source/connect.txt

@@ -24,6 +24,7 @@ Connect to MongoDB
 
    /connect/stable-api
    /connect/connection-targets
+   AWS Lambda <https://www.mongodb.com/docs/atlas/manage-connections-aws-lambda/>
 
 ..    /connect/mongoclient
 ..    /connect/connection-options