fix(core): update

ts/smartuniverse.classes.universe.ts

@@ -62,8 +62,18 @@ export class Universe {
    */
   public addChannel(nameArg: string, passphraseArg: string) {
     const newChannel = UniverseChannel.createChannel(this, nameArg, passphraseArg);
+    return newChannel;
   }
 
+  /**
+   * returns a channel
+   */
+  public getChannelByName(channelNameArg: string) {
+    return this.universeCache.channelMap.find(channelArg => {
+      return channelArg.name === channelNameArg;
+    });
+  };
+
   /**
    * initiates a server
    */