Clear command and details

[solvictor]

Description

• Added a /clear command like the vanilla one
• Fixed a typo in KillCommand
• Added /version alias for /pumpkin
• Changed message format for unimplemented packet id to match the protocol documentation from wiki.vg

Testing

• [x] Clear command on self, player, players with and without stuff in inventories from client and console
• [x] Version command from client and console

Checklist

• [x] Code is well-formatted and adheres to project style guidelines: cargo fmt
• [x] Code does not produce any clippy warnings cargo clippy

[Snowiiii]

Thanks @solvictor

[iamnoksio]

Clear command on self, player, players with and without stuff in inventories from client and console

why clearing empty inv?

[solvictor]

Clear command on self, player, players with and without stuff in inventories from client and console

why clearing empty inv?

At the moment each item is cleared individually. So empty inv = no clear