Add full release command

Author: tmorrell

RELEASE.md

@@ -8,4 +8,4 @@ These are the current steps for making a release of IGA
 4. Update the version number in setup.cfg
 5. Update the version number in codemeta.json
 6. Make a release on GitHub. This will trigger iga to run and do the release on pypi. Wait for all actions to finish.
-7. Move all new commits to the v1 branch.
+7. Move all new commits to the v1 branch. When on the v1 branch type `git rebase develop`