DOCSP-18514 Added Atlas shoutout to main intro page (#5840)

* DOCSP-18514 Added Atlas shoutout to main intro page

* DOCSP-18514 Added Atlas shoutout to main intro page

Author: ianf-mongodb

source/includes/fact-mongodb-intro.rst

@@ -0,0 +1,24 @@
+Welcome to the MongoDB {+version+} Manual! MongoDB is a
+document database designed for ease of development
+and scaling. The Manual introduces key concepts in MongoDB, presents the
+query language, and provides operational and administrative
+considerations and procedures as well as a comprehensive reference
+section.
+
+MongoDB offers both local and cloud-hosted deployment options:
+
+- For locally hosted deployments, MongoDB offers both a *Community*
+  and an *Enterprise* version of the database:
+
+  - MongoDB Community is the {+source-available+} edition of MongoDB.
+
+  - MongoDB Enterprise is available as part of the MongoDB Enterprise
+    Advanced subscription and includes comprehensive support for your
+    MongoDB deployment. MongoDB Enterprise also adds enterprise-focused
+    features such as LDAP and Kerberos support, on-disk encryption,
+    and auditing.
+
+- `MongoDB Atlas <https://www.mongodb.com/cloud/atlas?tck=docs_server>`__
+  is a hosted MongoDB Enterprise service option in the cloud which 
+  requires no installation overhead and offers a free tier to get 
+  started.

source/index.txt

@@ -11,32 +11,13 @@ The MongoDB |version| Manual
 
    For new features in MongoDB 4.2 see :doc:`/release-notes/4.2`.
 
-Welcome to the MongoDB |version| Manual! MongoDB is a
-document database designed for ease of development
-and scaling. The Manual introduces key concepts in MongoDB, presents the
-query language, and provides operational and administrative
-considerations and procedures as well as a comprehensive reference
-section. The manual is also available as :hardlink:`HTML tar.gz
-<manual.tar.gz>` and :hardlink:`EPUB <MongoDB-manual.epub>`.
-
-MongoDB offers both a *Community* and an *Enterprise* version of the
-database:
-
-- MongoDB Community is the {+source-available+} edition of MongoDB.
-
-- MongoDB Enterprise is available as part of the MongoDB Enterprise
-  Advanced subscription and includes comprehensive support for your
-  MongoDB deployment. MongoDB Enterprise also adds enterprise-focused
-  features such as LDAP and Kerberos support, on-disk encryption,
-  and auditing.
-
-MongoDB also offers
-`Atlas <https://www.mongodb.com/cloud/atlas?tck=docs_server>`__,
-a hosted MongoDB Enterprise service option in the cloud which requires
-no installation overhead and offers a free tier to get started.
-
-The Manual documents both MongoDB Community and Enterprise features and
-functionality.
+   To download the MongoDB 4.2, go to the `MongoDB Download Center
+   <https://www.mongodb.com/download-center?jmp=docs#production>`_
+
+.. include:: /includes/fact-mongodb-intro.rst
+
+The Manual documents features and functionality for MongoDB Community,
+Enterprise, and Atlas deployments.
 
 Getting Started
 ---------------

source/introduction.txt

@@ -10,23 +10,7 @@ Introduction to MongoDB
    :depth: 1
    :class: singlecol
 
-Welcome to the MongoDB |version| Manual! MongoDB is a 
-document database designed for ease of development
-and scaling. The Manual introduces key concepts in MongoDB, presents the
-query language, and provides operational and administrative
-considerations and procedures as well as a comprehensive reference
-section.
-
-MongoDB offers both a *Community* and an *Enterprise* version of the
-database:
-
-- MongoDB Community is the {+source-available+} edition of MongoDB.
-
-- MongoDB Enterprise is available as part of the MongoDB Enterprise
-  Advanced subscription and includes comprehensive support for your
-  MongoDB deployment. MongoDB Enterprise also adds enterprise-focused
-  features such as LDAP and Kerberos support, on-disk encryption, 
-  and auditing.
+.. include:: /includes/fact-mongodb-intro.rst
 
 Document Database
 -----------------