Krcg-bot

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- Switch to slash commands
- Now works in threads and in the text chat in vocal channels
- Add buttons to switch vampires between base / advanced / evolution
- Use disciplines and icons emojis if available on the server

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- Bump KRCG (2.21)

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- Update to V5 Anarch (krcg 2.20)

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- Bump KRCG version

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- Bump KRCG version

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- Improve logging