Unified code generation pipeline for MC data extraction - part 1/3

.gitignore

@@ -19,4 +19,6 @@ examples/genmaps/genmaps
 examples/genmaps/*.png
 data/packetid/generate.go
 .idea/
-.vscode/
+.vscode/
+
+temp/

data/README.md

@@ -1,9 +1,4 @@
-## Updating `data`
+## data
 
-1. Go to [https://github.com/PrismarineJS/minecraft-data/tree/master/data/pc/{version}](https://github.com/PrismarineJS/minecraft-data/tree/master/data/pc)
-2. Update `version` in the following files if there is a new corresponding JSON file available:
-   - [gen_block.go](block/gen_block.go) - `blocks.json`
-   - [gen_entity.go](entity/gen_entity.go) - `entities.json`
-   - [gen_item.go](item/gen_item.go) - `items.json`
-3. Update the `URL` in [gen_soundid.go](soundid/gen_soundid.go) (verify the URL returns a response first)
-4. Run `go generate ./...`
+All data packages are generated by `tools/` from the Minecraft server jar.
+See [docs/dev/tools.md](../docs/dev/tools.md) for the extraction and generation pipeline.