message: Add Do Not Merge WIP to related extensions
  Closes
diff: @@ -226,6 +226,7 @@ Once built, load it in the browser.
  - [Awesome browser extensions for GitHub](https://github.com/stefanbuck/awesome-browser-extensions-for-github) - Awesome list
  - [OctoEdit](https://github.com/DrewML/OctoEdit) - Markdown syntax highlighting in comments
  - [GitHub Clean Feed](https://github.com/bfred-it/github-clean-feed) - Group news feed events by repo
  +- [Do Not Merge WIP for GitHub](https://github.com/sanemat/do-not-merge-wip-for-github) - Prevents merging of incomplete PRs
  ## Created by
  