- Create TestModal component with tabbed interface for test creation/editing
- Add BasicInfoForm for test metadata (name, code, category, etc.)
- Implement multiple reference range types:
* NumericRefRange for numeric value ranges
* TextRefRange for qualitative results
* ThresholdRefRange for threshold-based results
* ValueSetRefRange for predefined value sets
- Add ReferenceRangeSection to manage all reference range types
- Create config store for application configuration management
- Add static config.json for environment settings
- Update DataTable styling
- Refactor tests page to integrate new TestModal
- Add reference range utility functions
- Include comprehensive test types documentation
