DiscordSRVUtils

Fixes

• Fixed slash commands registration bugs (please note that it may take a few days for this to take effect, if you can't see the commands on discord, it will take a while.)
• leveling rewards would ignore people who left the discord server (role rewards).
• Relocate some transitive dependencies.
• Update mcdebug domain since i changed my personal domain.
• Register slash commands first thing on enable.

Additions

• Error handling made improved for common errors around the plugin.
• Console commands to send afk/unafk messages to discord.
• Folder support for messages.
• Add more PlaceholderAPI Placeholders.