DOCSP-48543: Add Lambda link (#93)

(cherry picked from commit c8471fb)

Author: mcmorisi

source/connect.txt

@@ -27,6 +27,7 @@ Connect to MongoDB
    Connection Options </connect/connection-options>
    Enable TLS </connect/tls>
    Stable API </connect/stable-api>
+   AWS Lambda <https://www.mongodb.com/docs/atlas/manage-connections-aws-lambda/>
 
 ..    /connect/network-compression
 ..    /connect/server-selection