add status badges

Author: GrantBirki

README.md

@@ -1,2 +1,7 @@
 # hooks
+
+[![build](https://github.com/github/hooks/actions/workflows/build.yml/badge.svg)](https://github.com/github/hooks/actions/workflows/build.yml)
+[![test](https://github.com/github/hooks/actions/workflows/test.yml/badge.svg)](https://github.com/github/hooks/actions/workflows/test.yml)
+[![lint](https://github.com/github/hooks/actions/workflows/lint.yml/badge.svg)](https://github.com/github/hooks/actions/workflows/lint.yml)
+
 A Pluggable Webhook Server Framework written in Ruby