DOCSP-48755 Add connect to replica set in Docker note (#490) (#492)

(cherry picked from commit 7ad3564)

Co-authored-by: Stephanie <[email protected]>

Author: github-actions[bot]

source/fundamentals/connections/connection-guide.txt

@@ -181,3 +181,7 @@ following behavior:
 - They require you to specify a :manual:`secondary read preference
   </core/read-preference/#mongodb-readmode-secondary>` when the
   specified host isn't the **primary** node.
+
+.. note:: Replica Set in Docker
+
+   .. sharedinclude:: dbx/docker-replica-set.rst