Update microservice package to make microservice internal services event emitters

packages/microservice/src/InternalService.ts

@@ -1,9 +1,10 @@
 import { Microservice } from "./Microservice";
+import EventEmitter from "events";
 
 /**
  * A generic service
  */
-export abstract class InternalService<T extends Microservice = Microservice>
+export abstract class InternalService<T extends Microservice = Microservice> extends EventEmitter
 {
 	/**
 	 * The application instance
@@ -19,6 +20,7 @@ export abstract class InternalService<T extends Microservice = Microservice>
 	 * Create a new service
 	 */
 	public constructor(app: T) {
+		super();
 		this.app = app;
 	}