readme: Turn what-should-be-reference into hyperlinks

README.rst

@@ -50,8 +50,13 @@ Backup workflow is:
      $ git pull ...
 
 
-Please see `git-backup` source with technical overview on how it works.
+Please see `git-backup`__ source with technical overview on how it works.
 
 We also provide convenience program to pull/restore backup data for a GitLab
-instance into/from git-backup managed repository. See `contrib/gitlab-backup`
+instance into/from git-backup managed repository. See `contrib/gitlab-backup`__
 for details.
+
+
+.. links are made so they show ok on project main page
+__ /kirr/git-backup/blob/master/git-backup
+__ /kirr/git-backup/blob/master/contrib/gitlab-backup