Update 'README.md'

README.md

@@ -23,9 +23,7 @@ For each block you add, you need:
 | File | Purpose |
 |------|---------|
 | `mypack.json` | Entry in the `models` array defining the block |
-| `blockstates/{id}.json` | 4 facing variants pointing to block model |
-| `models/block/{id}.json` | Block model referencing bbmodel + texture |
-| `models/item/{id}.json` | Item model referencing item texture |
+| `group.json` | Used to define groups for a pack that can be used structure is "  "food": { "label": "itemGroup.decocraft.food" "icon": "bowl_of_cereal_minecraft" },"
 | `models/bbmodel/{model}.bbmodel` | BlockBench model file |
 | `textures/block/{id}.png` | Block texture |
 | `textures/item/{id}.png` | Item/inventory texture |