feat(3-1): add example

Author: rgomezcasas

03-cohesion_vs_coupling/1-named_constructors/src/main/java/tv/codely/java_basic_skeleton/Main.java

@@ -21,7 +21,7 @@ public static Map<String, String> GET(String id) {
         }
     }
 
-    public static void main(String id, String name, String lastName) {
+    public static void PUT(String id, String name, String lastName) {
         new UserRegistrar(new FakeUserRepository()).register(id, name, lastName);
     }
 }