mrp_v2 DataGen Library

This library is being replaced by mrp Library. Use it instead if you can.

Adds various classes that make it quicker and easier to implement datagen in mods.

Adds a helper class to simplify interacting with the DataGenerator.

Provides template classes for:

• BlockTagsProvider
• ItemTagsProvider
• RecipeProvider
• LanguageProvider

 Removes the need to extends LootTableProvider by providing an implementation that accepts a LootTables (which extends BlockLootTables).