Added proxy option for client

src/main/java/org/openautonomousconnection/protocol/ProtocolBridge.java

@@ -24,6 +24,7 @@ import org.openautonomousconnection.protocol.versions.v1_0_0.classic.utils.Class
 
 import java.io.File;
 import java.io.IOException;
+import java.net.Proxy;
 
 /**
  * The main bridge class for the protocol connection.
@@ -94,6 +95,13 @@ public final class ProtocolBridge {
     @Setter
     private ClassicHandlerClient classicHandlerClient;
 
+    /**
+     * The proxy for client side
+     */
+    @Getter
+    @Setter
+    private Proxy proxy;
+
     /**
      * Initialize the ProtocolBridge instance for the DNS server side
      *