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;
+    }
+
+}

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

@@ -0,0 +1,27 @@
+package com.baeldung.javers;
+
+public class Person {
+    private Integer id;
+    private String name;
+
+    public Person(Integer id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

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

@@ -0,0 +1,40 @@
+package com.baeldung.javers;
+
+
+import java.util.List;
+
+public class PersonWithAddress {
+    private Integer id;
+    private String name;
+    private List<Address> address;
+
+    public PersonWithAddress(Integer id, String name, List<Address> address) {
+        this.id = id;
+        this.name = name;
+        this.address = address;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public List<Address> getAddress() {
+        return address;
+    }
+
+    public void setAddress(List<Address> address) {
+        this.address = address;
+    }
+}