84c0a54c1e
Updated `DocumentEndpoints` to include detailed requirements, return values, and use case for the `ExtractSwissQrCode` endpoint. Marked Feature 2 (`ExtractSwissQrCode`) as completed in `PHASENPLAN.md` and `ROADMAP.md`, summarizing achievements and outlining next steps for Feature 3 (`ExtractAttachments`). Enhanced `ExtractSwissQrCodeRequest` and `ExtractSwissQrCodeResponse` DTOs with example JSON payloads for clarity. Expanded `SwissQrCodeDataDto` and `AddressDataDto` with detailed field-level documentation to improve usability and adherence to Swiss QR Bill Standard 2.0.