docs: Add Japanese translation for documentation by demouth · Pull Request #1740 · php/frankenphp
This PR adds comprehensive Japanese translation for all FrankenPHP documentation files.
All 19 documentation files have been translated into Japanese with focus on:
- Natural Japanese readability while maintaining technical accuracy
- Consistent terminology throughout all files
- Preserving line correspondence with English version for easier maintenance
This will help Japanese developers better understand and utilize FrankenPHP.