Added a new Report command.

Allow a player to report another player, this will trigger a recording to start and last until Recording-Length has passed. Will also notify all online staff that a report has been made.

Command: /report <player> (reason)
Permissions:

AntiCheatReplay.report - To report a player
AntiCheatReplay.report-notify - To be notified about a report

Added all in game messages for Report system into Messages.yml

Made the color of the Discord Webhook configurable in config.yml

StackTrace will now say that the Webhook URL is most likely wrong if there was an error sending a webhook