docsp-34265 - ef links (#137)

Author: mongoKart

source/index.txt

@@ -2,8 +2,6 @@
 MongoDB C# Driver
 =================
 
-.. default-domain:: mongodb
-
 .. facet::
    :name: programming_language
    :values: csharp
@@ -25,6 +23,7 @@ MongoDB C# Driver
    /issues-and-help
    /compatibility
    /upgrade
+   Entity Framework Provider <https://www.mongodb.com/docs/entity-framework/current/>
    MongoDB Analyzer <https://www.mongodb.com/docs/mongodb-analyzer>
 
 Introduction
@@ -128,6 +127,16 @@ Learn what changes you may need to make to your application to upgrade
 driver versions in the :ref:`Upgrade Driver Versions <csharp-upgrade-driver>`
 section.
 
+Entity Framework Provider
+-------------------------
+
+The MongoDB Entity Framework Provider is an object-relational mapper (ORM) that lets you
+use Microsoft's Entity Framework to work with MongoDB data. ORMs provide an
+object-oriented interface for data management.
+
+To learn more, see the
+`MongoDB Entity Framework Provider documentation <https://www.mongodb.com/docs/entity-framework/current/>`__.
+
 MongoDB Analyzer
 ----------------