Bael 769 javers (#1543)

* BAEL-769 code for javers article

* BAEL-769 add more examples

libraries/src/main/java/com/baeldung/javers/Address.java

@@ -0,0 +1,11 @@
+package com.baeldung.javers;
+
+
+public class Address {
+    private String country;
+
+    public Address(String country) {
+        this.country = country;
+    }
+
+}