Ussuri contrib docs community goal

This patch standardizes the CONTRIBUTING.rst file.  This repo
has no docs, so this patch completes the goal for the
cinder-tempest-plugin.

Change-Id: I7b1d4f58e586653059dabe84ddde949a1f989b45
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 3f8fc0d..4fc95b5 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -1,17 +1,14 @@
-If you would like to contribute to the development of OpenStack, you must
-follow the steps in this page:
+The source repository for this project can be found at:
 
-   https://docs.openstack.org/infra/manual/developers.html
+  https://opendev.org/openstack/cinder-tempest-plugin
 
-If you already have a good understanding of how the system works and your
-OpenStack accounts are set up, you can skip to the development workflow
-section of this documentation to learn how changes to OpenStack should be
-submitted for review via the Gerrit tool:
+Pull requests submitted through GitHub are not monitored.
 
-   https://docs.openstack.org/infra/manual/developers.html#development-workflow
+To start contributing to OpenStack, follow the steps in the contribution guide
+to set up and use Gerrit:
 
-Pull requests submitted through GitHub will be ignored.
+  https://docs.openstack.org/contributors/code-and-documentation/quick-start.html
 
-Bugs should be filed on Launchpad, not GitHub:
+Bugs should be filed on Launchpad:
 
-   https://bugs.launchpad.net/cinder
+  https://bugs.launchpad.net/cinder-tempest-plugin