Discord bot commands

[tbeswick96]

• Add discord bot commands framework
• Command word preceded by !
• Bot posts message with command result
• (Maybe) Make it look like the bot is typing
• Commands:
  • General information
  • Op times
  • Next op?
  • Apply to join
    ...

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• Auto commands
  • Will automatically post a result based on auto-command conditions
  • Commands:
    • Join, in help channel, non-member - posts information about applying to join
    • Op times, in help channel, non-member - posts op times
      ...