add rpc system to improve ipc

events/EventSystem/EventBusInterface.ts

@@ -0,0 +1,8 @@
+import { Event } from '../Events';
+
+export interface EventBusInterface {
+    subscribe<MessageType>(event: Event<MessageType>, callback: (msg: MessageType) => void): void;
+    unsubscribeAll<MessageType>(event: Event<MessageType>): void;
+    emit<MessageType>(event: Event<MessageType>, msg: MessageType): void;
+    unsubscribe<MessageType>(event: Event<MessageType>, callback: any): void;
+}