add joinGameRoom function to waiting room
add joinGameRoom function to waiting room
add joinGameRoom function to waiting room
modify updateGameRoomList function for multi-users
add eventHandler to the gameRoomTab
add eventHandler to the gameRoomTab
modify joinGameRoom function for multi-users
modify joinGameRoom function for multi-users
modify joinGameRoom function for multi-users
modify css of joinGameRoom function for multi-users
add ready checkbox to joinGameRoom function for multi-users
add ready checkbox to joinGameRoom function for multi-users
modify joinGameRoom function for multi-users
modify joinGameRoom function for multi-users
modify socket.io for multi-users
modify socket.io for multi-users
correct typing error in waitingroom.js
modify socket.io for multi-users
modify socket.io and waitingRoom layout for multi-users
modify socket.io and waitingRoom layout for multi-users