improve message text

[Die4Ever]

should have a config entry for messageText for each game and maybe could also add more fields into the message, example payload:

{
    "id": "40945688139",
    "user_id": "100449129",
    "user_login": "retroislandgaming",
    "user_name": "RetroIslandGaming",
    "game_id": "27284",
    "game_name": "Retro",
    "type": "live",
    "title": "Castlevania 2: Simon's Quest - NES 1987 (Special Edition)",
    "viewer_count": 495,
    "started_at": "2022-07-05T05:30:57Z",
    "language": "en",
    "thumbnail_url": "https://static-cdn.jtvnw.net/previews-ttv/live_user_retroislandgaming-{width}x{height}.jpg",
    "tag_ids": ["6ea6bca4-4712-4ab9-a906-e3336a9d8039", "0a222f96-4623-49ad-a998-122ca04e8405", "e027fb8b-219e-4959-8240-a4a082be0316"],
    "is_mature": false
}

maybe even the thumbnail_url

[Die4Ever]

https://discord.com/developers/docs/resources/webhook#execute-webhook

[theastropath]