fix(core): update

ts/interfaces/universemessage.interfaces.ts

@@ -1,7 +1,15 @@
-export interface IUniverseMessage {
+export interface IMessageCreator {
   messageText: string;
-  targetChannelName: string;
-  passphrase: string;
   payload?: string | number | any;
   payloadStringType?: 'Buffer' | 'string' | 'object';
+  targetChannelName: string;
+}
+
+export interface IUniverseMessage extends IMessageCreator {
+  id: string;
+  /**
+   * time of creation
+   */
+  timestamp: number;
+  passphrase: string;
 }