feat(app): update file type for download files in Gradio interface
feat(run_dev): modify command to run app with uv
feat(huggingface): add app_hf.py for Hugging Face Spaces deployment
docs(readme-hf): enhance documentation for Hugging Face integration
feat: add openEHR to FHIR Questionnaire Converter with Gradio interface, Docker support, and comprehensive documentation