* Start on 1.20.50
* Add 1.20.50 block_palette.1_20_50.nbt, creative_items.1_20_50.json and runtime_item_states.1_20_50.json
* fix stone and planks mappings
* add and do something with the new SetPlayerInventoryOptionsPacket
* Add readme version bump
* Cleanup/Explain the new BedrockSetPlayerInventoryOptionsTranslator
chris