Linking CodeDay accounts to discord accounts
###Environmental Variables:
- Required
- AUTH0_ROLES (role map format "<auth0_role_id1>:<discord_role_id1>;<auth0_role_id2>:<discord_role_id2>...")
- GQL_ACCOUNT_SECRET (gql account secret)
- RAYGUN_TOKEN (required for raygun error handling)
- BOT_TOKEN (discord bot token)
- Optional (mostly for development)
- ALERT_CHANNEL (#moderation channel id)
- AUTH_CHANNEL (#authentication channel id)
- ROLE_LINKED ("Community Member" role id)
- WELCOME_CHANNEL_ID (#welcome-committee channel id)
- GUILD_ID (discord server id)
- GRAPHQL_URL (CodeDay GraphQL url)