Update README.md

Author: MichelLeBon

guava18/README.md

@@ -7,7 +7,6 @@
 - [Guava Collections Cookbook](http://www.baeldung.com/guava-collections)
 - [Guava Ordering Cookbook](http://www.baeldung.com/guava-order)
 - [Guava Functional Cookbook](http://www.baeldung.com/guava-functions-predicates)
-
 - [Hamcrest Collections Cookbook](http://www.baeldung.com/hamcrest-collections-arrays)
-
 - [Partition a List in Java](http://www.baeldung.com/java-list-split)
+- [Guava 18: What’s New?](http://www.baeldung.com/whats-new-in-guava-18)