$ git clone https://github.com/ryoctrl/DiscordRSSBot.git

$ cd DiscordRSSBot
$ cp config.defaults config.json

$ vi config.json
# discordsにAPIのURL
# feedsに各サイトのRSSURLを追加
# 以下のように
discords: [
	"https://discordapp.com/api/webhooks/xxxxxx/xxxxx",
	"https://discordapp.com/api/webhooks/yyyyyy/yyyyy"		
],
feeds: [
	"https://siteA/feed",
	"https://siteB/RSS"
]

$ crontab -e

# 以下を追記
* * * * * node /path/to/DiscordRSSBot/app.js