Added channel-wide !announce command

src/app/channel/chatHandler.js

@@ -83,4 +83,9 @@ module.exports = class{
         const user = this.server.getSocketInfo(socket);
         this.server.io.in(socket.chan).emit("chatMessage", {user: user.user, flair: user.flair, highLevel: user.highLevel, msg, type});
     }
+
+    relayChannelAnnouncement(socket, msg){
+        //This codebase is always at a 10
+        this.server.io.in(socket.chan).emit("chatMessage", {user: "Channel", flair: "", highLevel: 10, msg, type: "announcement"});
+    }
 }