(DOCSP-32292) Adds mention of Atlas to drivers landing page (#909)

* (DOCSP-32292) Adds mention of Atlas to drivers landing page

Author: sarahsimpers

source/index.txt

@@ -9,8 +9,10 @@ Start Developing with MongoDB
 .. meta:: 
    :keywords: r, elixir, prisma, mongoose
 
-Connect your application to your database with one of the official MongoDB 
-libraries.
+You can connect your application to your MongoDB Atlas deployment or a
+self-hosted MongoDB cluster by using one of the official MongoDB
+libraries. To learn more about Atlas, see :atlas:`What is MongoDB Atlas? </>`. To learn how to download and install a self-hosted
+MongoDB cluster, see :manual:`Install MongoDB </installation>`.
 
 The following libraries are officially supported by MongoDB. MongoDB actively
 develops new features, adds performance enhancements, fixes bugs, and applies