Animal Pens 1.4.0

• Implements food items registry. This registry allows to customize food items for animals using datapacks:

  {
    // optional value. Defines when the food items should be loaded
    "condition": "mod:<mod_id>",
    "food_items": [
      {
        "item": "<mod>:<item>"
      },
      {
        "tag": "<mod>:<tag>"
      }
    ]
  }
  

• Adds Alex's Mobs food items to be included by default
• Implements ability for fake players to use attack_items as interaction.