add more configuration parameters to the texture packs

To make better resource packs in Minecraft vanilla we need to configure the resource pack parameters more, here is what I propose.

This is the code used in "blockstates" I also attach the result...

resource pack: click me

{
  "variants": {
    "":
    [
      {"model": "block/short_grass","weight":20},
      {"model": "block/flowering_grass_1","weight":15},
      {"model": "block/flowering_grass_2","weight":15},
      {"model": "block/flowering_grass_3","weight":15},
      {"model": "block/flowering_grass_4","weight":15},
      {"model": "block/flowering_grass_5","weight":15}
    ]
  }
}

As you could see, we have those flowers in the grass, but in ALL the grass, or rather, in ALL biomes, and as I understand it, there is no way to maintain that texture in a single biome unless you use optifine... I see a lot of potential in vanilla texture packs.

{
  "variants": {
    "":
    [
      {"model": "block/short_grass","weight":20, "biome":"cherry_groove"},
      {"model": "block/flowering_grass_1","weight":15}
    ]
  }
}

{
  "biomes": {"biome": "cherry_groove"}
  "variants": {
    "":
    [
      {"model": "block/flowering_grass_1","weight":15},
      {"model": "block/flowering_grass_2","weight":15}
    ]
  }
}