Introduce reno for release notes documentation

Change-Id: I92c02c5088f3b369a6064cc58b12db3d372b28e5
diff --git a/releasenotes/notes/reno-for-releasenotes-801f11f6fac50e2c.yaml b/releasenotes/notes/reno-for-releasenotes-801f11f6fac50e2c.yaml
new file mode 100644
index 0000000..1462c2f
--- /dev/null
+++ b/releasenotes/notes/reno-for-releasenotes-801f11f6fac50e2c.yaml
@@ -0,0 +1,13 @@
+---
+prelude: >
+    Introduce reno for release notes documentation.
+features:
+  - |
+    Nordix Cloud Infra Automation Framework now uses OpenStack reno for
+    release notes documentation.
+other:
+  - |
+    OpenStack reno tool is introduced for capturing notes to compose release
+    documentation. When a new feature or bug fix is introduced, it is desirable
+    to accompany it with a release note by using the command
+        reno new <summary-of-change>
diff --git a/requirements.txt b/requirements.txt
index 728bfb0..fb8bb1b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -178,6 +178,7 @@
 PyYAML==5.1.2
 pyzmq==18.1.1
 repoze.lru==0.7
+reno==3.0.0
 requests==2.22.0
 requests-oauthlib==1.3.0
 requestsexceptions==1.4.0