Add link for v0.1.0 Github Project.

Author: hreikin

CONTRIBUTING.md

@@ -1,5 +1,8 @@
 ## Contributing
 
+Check out the [Github Project - tkintermd v0.1.0](https://github.com/users/hreikin/projects/1/) for an overview of the work being done towards the release.
+See the [open issues](https://github.com/hreikin/tkintermd/issues) for a full list of proposed features (and known issues).
+
 Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are **greatly appreciated**.
 
 If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement".