Add collapsible detailed source tables for all 5 engine categories in README and all language variants (ZH/JA/KO). Add link to knowledge/guide.md after Available Tools section. Remove AI_Helper from source listings.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Introduced a .gitignore file to exclude environment variables, logs, and temporary files.
- Updated README.md to reflect the new description and added a detailed table of 72+ data sources across 5 categories.
- Enhanced documentation in multiple languages (Japanese, Korean, Chinese) to include the new data source information.