Merge pull request #106 from arduino/per1234/improve-readme

Improve readme

Author: per1234

README.md

@@ -1,9 +1,17 @@
 # arduino-lint
 
-`arduino-lint` is a command line tool that automatically checks for common problems in your
-[Arduino](https://www.arduino.cc/) projects:
+[![Tests Status](https://github.com/arduino/arduino-lint/workflows/Run%20tests/badge.svg)](https://github.com/arduino/arduino-lint/actions?workflow=Run+tests)
+[![Docs Status](https://github.com/arduino/arduino-lint/workflows/Publish%20documentation/badge.svg)](https://github.com/arduino/arduino-lint/actions?workflow=Publish+documentation)
+
+**arduino-lint** is a command line tool that checks for common problems in [Arduino](https://www.arduino.cc/) projects:
 
 - Sketches
 - Libraries
 
 For usage instructions, see [the documentation](https://arduino.github.io/arduino-lint/latest/)
+
+## Continuous Integration
+
+There is a GitHub Actions action that makes it easy to use **arduino-lint**` in your CI workflows!
+
+See https://github.com/arduino/arduino-lint-action for more information.