- Create .github/copilot-instructions.md with global development guidelines
- Add comprehensive README.md at project root with quick start guide
- Create docs/ directory for technical documentation
- Move installation and linter docs to docs/
- Add docs/TRANSLATIONS.md with complete translation system guide
- Create README.md for OCA modified addons (product_origin, product_get_price_helper, product_main_seller)
- Document translation best practices (no _() in field definitions)
- Add references between all documentation files
- Clean up project root by moving technical docs to docs/
All documentation now properly references addon-specific READMEs for detailed architecture and implementation.
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