Many improvements and changes

I have significantly improved the codebase with main changes being the following:

• Change ctx to interaction like how its supposed to be
• Make everything more typing friendly
• Fix weird indents overal
• Syncing:
  • Syncs globally now
  • Renamed DISCORD_GUILD_ID config var to OWNER_GUILD_ID and is actually used on all commands in cogs/admin.py and when syncing
• Support for setting a custom status
• Combined reload, load, unload, reloadall into one command with choices called extensions
• Adding descriptions to all command arguments (I hope)
• All encryption commands now support passing a file via the UI, same for /change avatar
• Formatted all files using the black formatter with line-length set to 120
• Moved amiadmin command to cogs/fun.py since that isn't supposed be owner-only
• Fixed all checks to follow best practices
• Removed unused code/functions
• I probably forgot somethings

Nothing was tested

Will review this when I get time, god damn this is a lot