feature: #2542 Dynamic proxy pattern (#2814)

* #2542 First commit

* #2542 Fixing comments

* #2542 Refactoring code

* #2542 Update Readme

* #2542 Add mockito dependencies

* #2542 Add unit test

* #2542 Fixes for testing

* #2542 Fixing typos

* #2542 Fixing SonarLint issues

* #2542 Fixing code review

---------

Co-authored-by: Sashir Estela <sashirestela@yahoo.com>
Co-authored-by: Ilkka Seppälä <iluwatar@users.noreply.github.com>

dynamic-proxy/etc/dynamic-proxy-classes.puml

@@ -0,0 +1,35 @@
+@startuml
+
+class A as "App" {
+}
+
+interface I as "MyInterface" {
+   someMethod(args)
+   otherMethods(args)
+}
+
+class P as "Proxy" <<Built-In>> {
+   {static} DynamicProxy newProxyInstance(\n   classLoader,\n   interfaces,\n   invocationHandler\n)
+}
+
+class D as "DynamicProxy" {
+   someMethod(args)
+   otherMethods(args)
+}
+
+class H as "InvocationHandler" {
+   invoke(proxy, method, args)
+}
+
+class X as "AuxiliarProcessor" {
+   process(method, args)
+}
+
+A -r-> D
+
+I <|.. D : implements
+
+D -r-> H : delegate
+H -r-> X : (optional)
+
+@enduml