link to docs.pagure.org instead of readthedocs

The API docs come out empty on readthedocs because autosphinx can't
import the stuff. Let's just build our own and put them on
docs.pagure.org instead.

Change-Id: Ie01f67c2cb10b09a8b7fc3ed5d654c802be3698d

README.rst

@@ -32,7 +32,7 @@ Project Links
   or `view open bugs <https://bugzilla.redhat.com/buglist.cgi?product=rpmdeplint&bug_status=__open__>`__
 * For feedback and discussion join #beaker on irc.freenode.net.
 * We use `Gerrit <https://gerrit.beaker-project.org>`_ for code review. Patches welcome!
-* `Documentation <https://rpmdeplint.readthedocs.io>`_
+* `Documentation <https://docs.pagure.org/rpmdeplint/>`_
 
 Using
 -----