#23 Slf4j - Log4j : Adding logging to your test framework

GitHub: https://github.com/PramodKumarYadav/zero Goals: 1. To add a logging interface in our test framework. 2. To add an actual logging library. 3. To add lombok annotations to make logging easier to use. Objectives: 1. Add Slf4j (Simple logging facade for Java) 2. Give practical examples of how adding an interface is better than hard coding a logging library with your test framework. 3. Show how to make use of different log levels and in what practical use cases each log level makes sense. What's next? - Adding badges to our readme file