Created the creative loot tables plugin

[Darukshock]

What does it do ?

With the new creative loot tables mod, datapack creators and users can now easily access custom items via a menu.

Example

• Create a set of loot tables at namespace:item/..., and another at namespace:weapon/...
• In your beet.json, in the meta field, write :

"creative_loot_tables": {
  "pattern": ".*(item|weapon)/.*"
}

• append "beet.contrib.creative_loot_tables" to your pipeline list
• Build the project, and load the datapack with the creative loot tables mod in creative mode
• Open the creative inventory; the custom items will be in the tab with a bundle icon.

Why ?

Having this plugin is a much more convenient way to use the mod, as without it, you have to manually append each loot table to the creative loot table. Now a single regex does all the work for you.

[rx-dev]

I think this plugin isn't that suitable for the main beet repo since it's highly coupled with a niche mod. Is there a reason why this shouldn't be a third-party crate?