add report card

README.md

@@ -1,6 +1,7 @@
 # fwsync
 
 [![CI](https://github.com/jharshman/fwsync/actions/workflows/ci.yaml/badge.svg)](https://github.com/jharshman/fwsync/actions/workflows/ci.yaml)
+[![Go Report Card](https://goreportcard.com/badge/github.com/jharshman/fwsync)](https://goreportcard.com/report/github.com/jharshman/fwsync)
 
 Provides CLI interface to update your personal Firewall Rules
 associated with your Cloud Development VM.
@@ -29,4 +30,4 @@ which will be located at `$HOME/.bitly_firewall`.
 ### Update
 If your IP updates and you notice  you've lost access to your CloudVM,
 you can invoke `fwsync update` to automatically detect your new IP address
-and update your Firewall Rule.
+and update your Firewall Rule.