Update project documentation with recent CI improvements and flyer import enhancements:
- Add ESLint configuration for backend and Dart lints for Flutter
- Document Prisma query logging via PRISMA_LOG_QUERIES environment variable
- Update NEXT_STEPS.md, README.md, and TEKNISK_BESKRIVNING.md with new features
- Add isOffer, offerLimitText, comparisonPrice, comparisonUnit, parseConfidence, and parseReasons fields to FlyerImportItem
- Update FlyerImportResponse type to include new fields
- Extend file picker to support image formats (png, jpg, jpeg, webp)
- Add offer badge display and price formatting in Flutter UI
- Implement PDF preview functionality for flyer import
- Replace BadRequestException with UnauthorizedException for authentication failures in flyer-import and flyer-selection controllers
- Add bulk selection endpoint in FlyerSelectionController for creating multiple selections in one request
- Update FlyerSelectionModule to include new FlyerSelectionMatcherService and FlyerSelectionSyncController
- Extend FlyerSelectionService with createMany method for bulk operations
- Add new DTOs for bulk selection and receipt matching functionality
- Update ReceiptImportService to accept FlyerSelectionService dependency and track successful rows
- Extend SaveReceiptResponse with flyerAutoSync field for receipt-to-flyer matching results
- Add new API paths for flyer import and selection endpoints
- Update Flutter UI to include Flyer import tab and adjust tab controller length
- Add new domain models and repository methods for flyer import functionality
- Update test files to include new FlyerSelectionService dependency
- Modify .kilo plan documentation to reflect current system architecture
- Implemented receipt file upload in ImportRepository with multipart request handling.
- Created ParsedReceiptItem model for parsed receipt data.
- Added ReceiptImportTab for user interface to upload and review receipts.
- Updated ImportScreen to include the new ReceiptImportTab alongside RecipeImportTab.
- Introduced flutter_bootstrap.js and index.html for web app initialization.
- Added wimp.wasm and flutter.js for enhanced web performance and capabilities.
Nils-Johan Gynther