- Restored product_main_seller addon to fix dependency chain
- Addon required by product_origin_char and website_sale_aplicoop
[IMP] website_sale_aplicoop: Add demo data configuration to manifest
- Updated __manifest__.py to include demo data files
- Demo data includes partners, suppliers, products, group orders, and sale orders
- Demo data successfully loads during module installation
- 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.