Config.env example:
SECRET_KEY= # Random secret key.
TW_BEARER_TOKEN= # Twitter's developer-API bearer token.
MICROSOFT_API_KEY= # Microsoft Azure API key for your Translator resource
MICROSOFT_REGION= # Microsoft Azure region for your Translator resource (eg: uswest2)
DISC_ORIG_CHANNEL_WEBHOOK_URL= # Discord original-tweet webhook URL.
DISC_TRANS_CHANNEL_WEBHOOK_URL= # Discord translated-tweet webhook URL.
DISC_SERVER_ID= # Discord server ID.