IMoO/resource_pack/textures/item_texture.json

{
  "resource_pack_name": "vanilla",
  "texture_name": "atlas.items",
  "texture_data": {
    "mw_alko": {
      "textures": [
        "textures/items/alko/mw_alko_bottle",
        "textures/items/alko/mw_alko_absent",
        "textures/items/alko/mw_alko_alcohol",
        "textures/items/alko/mw_alko_bottle_water",
        "textures/items/alko/mw_alko_vine",
        "textures/items/alko/mw_alko_vodka",
        "textures/items/alko/mw_alko_beer"
      ]
    }
  }
}