Ussuri contrib docs community goal

This patch standardizes the CONTRIBUTING.rst file and adds the
required doc/source/contributor/contributing.rst

The contibuting.txt points to the Swift contributor documentation.

Change-Id: Ia6c105698dd0269479536645270d12a7c1061bc7

CONTRIBUTING.rst

@@ -1,18 +1,19 @@
-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/python-swiftclient
 
-Once those steps have been completed, changes to OpenStack should be
-submitted for review via the Gerrit tool, following the workflow
-documented at:
+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:
 
-Gerrit is the review system used in the OpenStack projects. We're sorry,
-but we won't be able to respond to pull requests submitted through
-GitHub.
+  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/python-swiftclient
+  https://bugs.launchpad.net/python-swiftclient
+
+For more specific information about contributing to this repository, see the
+swiftclient contributor guide:
+
+  https://docs.openstack.org/python-swiftclient/latest/contributor/contributing.html

doc/source/contributor/contributing.rst

@@ -0,0 +1,14 @@
+============================
+So You Want to Contribute...
+============================
+
+For general information on contributing to OpenStack, please check out the
+`contributor guide <https://docs.openstack.org/contributors/>`_ to get started.
+It covers all the basics that are common to all OpenStack projects: the
+accounts you need, the basics of interacting with our Gerrit review system, how
+we communicate as a community, etc.
+
+The python-swiftclient is maintained by the OpenStack Swift project.
+To understand our development process and how you can contribute to it, please
+look at the Swift project's general contributor's page:
+http://docs.openstack.org/swift/latest/contributor/contributing.html

doc/source/index.rst

@@ -16,6 +16,7 @@ Developer Documentation
 .. toctree::
     :maxdepth: 2
 
+    contributor/contributing
     cli/index
     service-api
     client-api