v1.4.0 - 1.19 & 1.19.1, Cooldowns, Multiple Commands and Squashed Bugs

This release includes suggestions from Alkiasan (#6) and bugfixes from me and dragonmaus (#9)!

• You can now embed multiple commands in a single item
• You can now add cooldowns to Commander Items
• Commander won't add random NBT to items (Thanks @dragonmaus!)
• General improvements and a bit of code cleanup (@CamperSamu)
• Update to 1.19 and 1.19.1 (@CamperSamu)

⚠️: New builds will be based on 1.19.1, support for older versions is not guaranteed! (use No Chat Reports ❤️)
Check the README for instructions on how to use the mod and its new functions!

Full Changelog: 1.3.0...1.4.0