Add a stream live NOW status checker

[purrplingcat]

Plugin: Nextstream

Feature story

This add function to plugin Nextstream for checking if your stream is live now or not. After stream status changed ONLINE<->OFFLINE, bot announce a message about stream status with stream informations to a announce channel specified by you.

Function checks status every x seconds (define by you in conf, default is 300s (5m)))

Command !livenow prints a current stream state to a channel on Discord.

Example config

"twitch": {
		"twitch_token": "k7d809abc3r28buu2d6887xxg83r23",
		"twitch_channel_name": "purrplingcat",
		"twitch_channel_id": "125991922",
		"twitch_stream_checker": {
			"enabled": true,
			"interval": 300,
			"announceChannelId": "323516538378256395"
		}