Add bump script (pnpm bump <version>) that updates package.json,
tauri.conf.json, Cargo.toml, and README in one command. CI workflows
now read the version from package.json dynamically. App.tsx reads
the version via Vite define instead of hardcoding it.
- Added info file "0" (type=4) with PACKID to match official DLC structure
- Changed skin filename to dlcskin99990000.png to avoid ID collisions
- Skins now visible to other players in multiplayer
- Bumped version to 1.1.1
