Add release notes

Closes-Bug: CLOUDOPS-761
Change-Id: If1aa57c0e1617a312f36e52c503a40b5ee166c91
(cherry picked from commit 7607e5a65486453e80b1a7a042051df61e672301)
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 7412fcf..239e656 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -22,6 +22,7 @@
 extensions = [
     "sphinx_copybutton",
     "pbr.sphinxext",
+    "reno.sphinxext",
 ]
 
 templates_path = ["_templates"]
diff --git a/doc/source/index.rst b/doc/source/index.rst
index 2f26821..9703ada 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -28,6 +28,7 @@
    config/index
    deploy/index
    admin/index
+   release-notes
 
 
 
diff --git a/doc/source/release-notes.rst b/doc/source/release-notes.rst
new file mode 100644
index 0000000..ec77acc
--- /dev/null
+++ b/doc/source/release-notes.rst
@@ -0,0 +1 @@
+.. release-notes:: Release Notes