Add v5.1 release notes (#363)

jeff-allen-mongo · web-flow · commit c661da400a47 · 2022-01-19T21:22:05.000-05:00
* re-add v5.1 release notes

* remove banner from 5.1 notes
diff --git a/source/release-notes.txt b/source/release-notes.txt
@@ -24,6 +24,19 @@ Current Atlas Rapid Release
 
    /release-notes/5.2
 
+Previous Atlas Rapid Releases
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+(*5.1-series*)
+
+:doc:`/release-notes/5.1`
+
+.. toctree::
+   :maxdepth: 1
+   :hidden:
+
+   /release-notes/5.1
+
 Current Stable Release
 ~~~~~~~~~~~~~~~~~~~~~~
 
