created channel for action cable and friendship relationship in database

app/channels/video_session_channel.rb

@@ -0,0 +1,11 @@
+class VideoSessionChannel < ApplicationCable::Channel
+  def subscribed
+    # video session
+    # stream_from "chat_room_#{params[:chat_room_id]}"
+  end
+
+
+  def unsubscribed
+    # Any cleanup needed when channel is unsubscribed
+  end
+end