discord: add basic discord bot support

discord: add basic discord bot support

- go to discord developer portal https://discord.com/developers/applications
- make a discord application
- add a bot to that app
-- enable PRESENCE INTENT, SERVER MEMBERS INTENT, MESSAGE CONTENT INTENT (as desired)

! For websockets
t{ discord-bot-config
    { token "...from discord developer portal..." }
    { application-id "10885523740" } ! from developer portal
    { guild-id "1357300335" }        ! from "developer mode" in discord client, right click the server and "copy id"
    { channel-id "1089175837623" }   ! from "developer mode", right click channel and "copy id"
    { permissions 2048 }             ! intentions (2048 is send messages)
}
discord-connect

! For REST api
T{ discord-bot-config
    { client-id "bot id from dev portal" }
    { client-secret "from dev portal" }
}