DOCSP-29502 7.0 support (#152)

* DOCSP-29502 7.0 Support for mongosync 1.6

* Fixes per Ajay

* Adds upcoming notice

Author: kennethdyer

source/release-notes.txt

@@ -8,6 +8,7 @@ Release Notes
 .. toctree::
    :titlesonly: 
 
+   /release-notes/1.6
    /release-notes/1.5
    /release-notes/1.4
    /release-notes/1.3

source/release-notes/1.6.txt

@@ -0,0 +1,31 @@
+.. _c2c-release-notes-1.6:
+
+===================================
+Release Notes for mongosync 1.6
+===================================
+
+
+.. default-domain:: mongodb
+
+.. contents:: On this page
+   :local:
+   :backlinks: none
+   :depth: 2
+   :class: singlecol
+
+.. _1.6.0-c2c-release-notes:
+
+1.6.0 Release
+-------------
+
+**Upcoming**
+
+7.0 Support
+~~~~~~~~~~~
+
+Starting in 1.6.0, ``mongosync`` supports sync with MongoDB 7.0.
+
+Minimum Supported Version
+-------------------------
+
+In 1.6, the minimum supported version of MongoDB is 6.0.8.