(35160) Adds table for OM/MDB Agent compatibility. (#51)

[JIRA](https://jira.mongodb.org/browse/DOCSP-35160)

[BUILD](https://workerpool-boxgs.mongodbstitch.com/pages/job.html?collName=queue&jobId=65b1af039a69c5a89fcf1d43)

[STAGING](https://preview-mongodberabilmdb.gatsbyjs.io/ops-manager/DOCSP-35160/reference/mongodb-compatibility/#agent-compatibility)

Author: erabil-mdb

source/reference/mongodb-compatibility.txt

@@ -93,6 +93,22 @@ in the MongoDB Manual.
 Agent Compatibility
 -------------------
 
+The following table lists the |onprem| versions that are compatible with the 
+associated {+mdbagent+} release series.
+
+.. list-table::
+   :header-rows: 1
+   :widths: 50 50
+
+   * - |onprem| Version
+     - {+mdbagent+} Release Series
+
+   * - 7.0
+     - :ref:`107.0.x <mongodb-agent-changelog>`
+
+   * - 6.0
+     - :ref:`12.0.x <mongodb-agent-changelog>`
+
 {+magent+} Compatibility
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

source/release-notes/mongodb-agent.txt

@@ -1,3 +1,5 @@
+.. _mongodb-agent-changelog:
+
 =======================
 MongoDB Agent Changelog
 =======================