added chatroom channel with room ids and notifications channel

app/channels/chat_rooms_channel.rb

@@ -0,0 +1,9 @@
+class ChatRoomsChannel < ApplicationCable::Channel
+  def subscribed
+    stream_from "chat_room_#{params[:room]}"
+  end
+
+  def unsubscribed
+    # Any cleanup needed when channel is unsubscribed
+  end
+end

app/channels/notifications_channel.rb

@@ -0,0 +1,9 @@
+class NotificationsChannel < ApplicationCable::Channel
+  def subscribed
+    stream_from "notifications"
+  end
+
+  def unsubscribed
+    # Any cleanup needed when channel is unsubscribed
+  end
+end