Ussuri contrib docs community goal

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

Change-Id: I88f69618d7192b33fefa3696c7b494ff5a18d29d

CONTRIBUTING.rst

@@ -1,16 +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/cinderlib
 
-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:
 
-Pull requests submitted through GitHub will be ignored.
+  https://docs.openstack.org/contributors/code-and-documentation/quick-start.html
 
-Bugs should be filed in Launchpad:
+Bugs should be filed on Launchpad:
 
-   https://bugs.launchpad.net/cinderlib
+  https://bugs.launchpad.net/cinderlib
+
+For more specific information about contributing to this repository, see the
+cinder contributor guide:
+
+  https://docs.openstack.org/cinderlib/latest/contributor/contributing.html

doc/source/contributing.rst

@@ -1,4 +0,0 @@
-Contributing
-============
-
-.. include:: ../../CONTRIBUTING.rst

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 cinderlib library is maintained by the OpenStack Cinder project.  To
+understand our development process and how you can contribute to it, please
+look at the Cinder project's general contributor's page:
+http://docs.openstack.org/cinder/latest/contributor/contributing.html

doc/source/index.rst

@@ -100,5 +100,5 @@ Table of Contents
    usage
    validated
    validating
-   contributing
    limitations
+   contributor/contributing