make status badge clickable

Author: yaythomas

README.md

@@ -1,5 +1,5 @@
 # python-ci-cd-example
-![build status](https://github.com/pypyr/python-ci-cd-example/workflows/lint-test-build/badge.svg)
+[![build status](https://github.com/pypyr/python-ci-cd-example/workflows/lint-test-build/badge.svg)](https://github.com/pypyr/python-ci-cd-example/actions)
 [![codecov](https://codecov.io/gh/pypyr/python-ci-cd-example/branch/master/graph/badge.svg)](https://codecov.io/gh/pypyr/python-ci-cd-example)
 
 example project template of python automated ci/cd, packaging & publishing, with GitHub Actions.