[ussuri][goal] Update contributor documentation

This patch updates/adds the contributor documentation to follow
the guidelines of the Ussuri cycle community goal[1].

[1] https://governance.openstack.org/tc/goals/selected/ussuri/project-ptl-and-contrib-docs.html

Story: #2007236
Task: #38522
Change-Id: I20b2d85bee7d32b6ad4970d7ccd47af6cdc3b930

CONTRIBUTING.rst

@@ -1,17 +1,19 @@
-If you would like to contribute to the development of OpenStack, you must
+The source repository for this project can be found at:
-follow the steps in this page:
 
-   https://docs.openstack.org/infra/manual/developers.html
+   https://opendev.org/openstack/python-freezerclient
 
-If you already have a good understanding of how the system works and your
+Pull requests submitted through GitHub are not monitored.
-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:
 
-   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 Storyboard, not GitHub:
+Bugs should be filed on Storyboard:
 
    https://storyboard.openstack.org/#!/project/openstack/python-freezerclient
+
+For more specific information about contributing to this repository, see the
+python-freezerclient contributor guide:
+
+   https://docs.openstack.org/python-freezerclient/latest/contributor/contributing.html

doc/source/contributor/contributing.rst

@@ -0,0 +1,48 @@
+============================
+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.
+Below will cover the more project specific information you need to get started
+with python-freezerclient.
+
+Communication
+~~~~~~~~~~~~~
+* IRC channel #openstack-freezer at OFTC
+* Mailing list (prefix subjects with ``[freezer]`` for faster responses)
+  http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-discuss
+
+Contacting the Core Team
+~~~~~~~~~~~~~~~~~~~~~~~~
+Please refer the `python-freezerclient Core Team
+<https://review.opendev.org/admin/groups/489539270c16cfb7990bb3f1a0f62f3e45a94635,members>`_ contacts.
+
+New Feature Planning
+~~~~~~~~~~~~~~~~~~~~
+python-freezerclient features are tracked on `Storyboard <https://storyboard.openstack.org/#!/project/openstack/python-freezerclient>`_.
+
+Task Tracking
+~~~~~~~~~~~~~
+We track our tasks in `Storyboard <https://storyboard.openstack.org/#!/project/openstack/python-freezerclient>`_.
+If you're looking for some smaller, easier work item to pick up and get started
+on, search for the 'low-hanging-fruit' tag.
+
+Reporting a Bug
+~~~~~~~~~~~~~~~
+You found an issue and want to make sure we are aware of it? You can do so on
+`StoryBoard <https://storyboard.openstack.org/#!/project/openstack/python-freezerclient>`_.
+
+Getting Your Patch Merged
+~~~~~~~~~~~~~~~~~~~~~~~~~
+All changes proposed to the python-freezerclient project require one or two +2 votes
+from python-freezerclient core reviewers before one of the core reviewers can approve
+patch by giving ``Workflow +1`` vote.
+
+Project Team Lead Duties
+~~~~~~~~~~~~~~~~~~~~~~~~
+All common PTL duties are enumerated in the `PTL guide
+<https://docs.openstack.org/project-team-guide/ptl.html>`_.
+

doc/source/contributor/index.rst

@@ -1,17 +0,0 @@
-===================
- Contributor Guide
-===================
-
-Code is hosted at `git.openstack.org`__. Submit bugs to the python-freezerclient
-project on `Launchpad`__. Submit code to the `openstack/python-freezerclient`
-project using `Gerrit`__.
-
-__ https://opendev.org/openstack/python-freezerclient
-__ https://storyboard.openstack.org/#!/project/openstack/freezer-api
-__ https://docs.openstack.org/infra/manual/developers.html#development-workflow
-
-
-.. toctree::
-   :maxdepth: 2
-
-   testing

doc/source/index.rst

@@ -11,8 +11,16 @@ Contents
    user/index
    reference/index
    cli/index
-   contributor/index
 
+For Contributors
+================
+
+* If you are a new contributor to python-freezerclient please refer: :doc:`contributor/contributing`
+
+  .. toctree::
+     :hidden:
+
+     contributor/contributing
 
 Indices and tables
 ------------------