message: Add GitHub Issue Link Status to readme
diff: @@ -248,6 +248,7 @@ Once built, load it in the browser of your choice:
  - [Show All GitHub Issues](https://github.com/sindresorhus/show-all-github-issues) - Shows both Issues and Pull Requests in the Issues tab
  - [Notifications Preview for GitHub](https://github.com/tanmayrajani/notifications-preview-github) - See your notifications on hover on all pages
  - [Refined Twitter](https://github.com/sindresorhus/refined-twitter) - Improves Twitter
  +- [GitHub Issue Link Status](https://github.com/bfred-it/github-issue-link-status) - Colorize issue and PR links to see their status (open, closed, merged)
  Want more? Here are some ideas you could develop!
  