BAEL-1554 - Guide to Flips (#3827)

* BAEL-1554 - Flips code

* BAEL-1554 - Flips code, round 2

* BAEL-1554 - Guide to Flips

* BAEL-1554 - update read me

* BAEL-1554 - rename "Thing" to "Foo"

libraries/src/main/java/com/baeldung/flips/TestFlipsBean.java

@@ -0,0 +1,4 @@
+package com.baeldung.flips;
+
+public class TestFlipsBean {
+}