add lint badge

Author: mschoch

README.md

@@ -2,6 +2,7 @@
 
 [![PkgGoDev](https://pkg.go.dev/badge/github.com/blugelabs/bluge_segment_api)](https://pkg.go.dev/github.com/blugelabs/bluge_segment_api)
 [![Tests](https://github.com/blugelabs/bluge_segment_api/workflows/Tests/badge.svg?branch=master&event=push)](https://github.com/blugelabs/bluge_segment_api/actions?query=workflow%3ATests+event%3Apush+branch%3Amaster)
+[![Lint](https://github.com/blugelabs/bluge_segment_api/workflows/Lint/badge.svg?branch=master&event=push)](https://github.com/blugelabs/bluge_segment_api/actions?query=workflow%3ALint+event%3Apush+branch%3Amaster)
 
 These interfaces define the relationship between Bluge and it's segment file formats.