DOCSP-48544: Add AWS Lambda link (#215)

(cherry picked from commit e348e28)

Author: mcmorisi

source/fundamentals/connection.txt

@@ -13,6 +13,7 @@ Connection Guide
    Network Compression </fundamentals/connection/network-compression>
    TLS/SSL </fundamentals/connection/tls>
    SOCKS5 Proxy Connection </fundamentals/connection/socks5>
+   AWS Lambda <https://www.mongodb.com/docs/atlas/manage-connections-aws-lambda/>
 
 .. contents:: On this page
    :local:
@@ -34,6 +35,7 @@ sections:
 - :ref:`Enable Network Compression <network-compression>`
 - :ref:`Enable TLS/SSL on a Connection <tls-ssl>`
 - :ref:`Connect to MongoDB by Using a SOCKS5 Proxy <kotlin-connect-socks>`
+- `Manage Connections with AWS Lambda <https://www.mongodb.com/docs/atlas/manage-connections-aws-lambda>`__
 
 For information about authenticating with a MongoDB instance,
 see :ref:`<authentication-mechanisms>` and :ref:`<enterprise-authentication-mechanisms>`.