Added badge confirming Lint success to readme

Author: wegar-2

README.md

@@ -2,7 +2,7 @@
 
 ![CI](https://github.com/wegar-2/moddata/actions/workflows/python-tests.yml/badge.svg)
 ![codecov](https://codecov.io/gh/wegar-2/moddata/branch/main/graph/badge.svg)
-
+![Lint](https://github.com/wegar-2/moddata/actions/workflows/lint.yml/badge.svg)
 
 Provides data for use in modeling.