Added Git Gud to README.md

Author: benthayer

README.md

@@ -180,6 +180,7 @@ gpg --edit-key 88710E60
 * [Loki](https://github.com/Neo23x0/Loki)
 * [Omniwallet](https://github.com/OmniLayer/omniwallet)
 * [GitViper](https://github.com/BeayemX/GitViper)
+* [Git Gud](https://github.com/bthayer2365/git-gud)
 
 ### LICENSE