add TODOs badge

Author: patrickdevivo

README.md

@@ -3,6 +3,7 @@
 [![Go Report Card](https://goreportcard.com/badge/github.com/augmentable-dev/tickgit)](https://goreportcard.com/report/github.com/augmentable-dev/tickgit)
 ![GitHub release (latest SemVer)](https://img.shields.io/github/v/release/augmentable-dev/tickgit)
 [![Coverage](http://gocover.io/_badge/github.com/augmentable-dev/tickgit)](http://gocover.io/github.com/augmentable-dev/tickgit)
+![TODOs](https://img.shields.io/endpoint?url=https%3A%2F%2Ftickgit.augmentable.dev%2F%3Frepo%3Dhttps%3A%2F%2Fgithub.com%2Faugmentable-dev%2Ftickgit)
 
 ## tickgit 🎟️