Helper tool to get stream live chat
- use tmi.js
- extend event emitter
- config: channelId
- simulate user agent
- url to current live:
https://www.youtube.com/channel/${channelId}/live - is alive?
- get liveId from current live
- get chat message
- url to chat message:
https://www.youtube.com/live_chat?v=${liveId}&pbj=1 - is alive?
- get messages
- emit message
- refactoring