Update README.md (eugenp#2826)

cody756 · pivovarit · commit f7be435a55d3 · 2017-10-22T21:56:53.000+02:00
diff --git a/feign/README.md b/feign/README.md
@@ -5,4 +5,6 @@ This is the implementation of a [spring-hypermedia-api][1] client using Feign.
 [1]: https://github.com/eugenp/spring-hypermedia-api
 
 ### Relevant Articles:
+
 - [Intro to Feign](http://www.baeldung.com/intro-to-feign)
+- [Introduction to SLF4J](http://www.baeldung.com/slf4j-with-log4j2-logback)
