디스코드 백업 : 알림창 오버레이로 변경

고려중

![image](https://user-images.githubusercontent.com/40535405/106711830-6fd0f180-663b-11eb-8ac8-6426065f8728.png)

https://discord.com/channels/789862242367569961/789864486692716574/806410872158683156