auto size

Merge pull request #6 from zcanic/feat-auto-grid

Feat auto grid

first release

refactor: clean up project structure and fix Electron build

- Remove duplicate files in tool/ (components, hooks, lib)
- Remove redundant styles/ folder (duplicate of app/globals.css)
- Remove pnpm-lock.yaml (keep npm only)
- Fix Electron static asset paths (use relative paths for file:// protocol)
- Remove Google Fonts dependency for offline Electron build
- Update .gitignore with proper ignore rules
- Update README with project structure and build instructions
- Configure Electron builder for unpacked output only