- Add sync.sh to download and apply patches from Go standard library
- Add patches/*.diff for transforming internal/filepathlite to winpath
- Backup Nextron's original diff for reference
- Add .gitignore for orig/ directory
- Add README with usage examples and attribution
Derived from Go standard library internal/filepathlite and path/filepath.
Provides Windows-style path operations that work on any platform.
Exports: Clean, Join, Split, Ext, Base, Dir, IsAbs, VolumeName,
VolumeNameLen, ToSlash, FromSlash, Separator, ListSeparator,
IsPathSeparator.