See doc/source/contributing.rst or
http://docs.openstack.org/developer/i18n/.

To learn more about contributing to the i18n project, see
`Contributing <https://docs.openstack.org/i18n/latest/contributing.html>`_
or `OpenStack I18n Guide
<https://docs.openstack.org/i18n/latest/>`_.

Add more content about how to contribute i18n
Add more content about how to contribute i18n

Change-Id: I9605c03db88374990a6773d5de6dee135bc45cc7
