Updated README.md
updated link from to
### Relevant Articles:
-- [Eliminate Redundancies in RAML with Resource Types and Traits](http://www.baeldung.com/simple-raml-with-resource-types-and-traits)
+- [Eliminate Redundancies in RAML with Resource Types and Traits](https://www.baeldung.com/simple-raml-with-resource-types-and-traits)
