Administrator contact settings

Provides settings for administrator contact.

• Administrator email - email address that is used to send messages from the system to the site administrator, relay contact us messages from users, etc.

• Administrator Discord ID - Discord ID that is used to send DMs from the system to the site administrator, relay contact us messages from users, etc. This is not the Username#1234 type of ID. It is all numeric Discord ID (https://support.discord.com/hc/en-us/articles/206346498-Where-can-I-find-my-User-Server-Message-ID).