- Update package name to solid-ui-jss
- Swap solid-logic dependency to solid-logic-jss
- Update all imports from 'solid-logic' to 'solid-logic-jss'
- Update README with JSS references and credits
- Configure Jest for ESM modules (solid-logic-jss, solid-oidc, jose)

All 52 test suites pass (628 tests).

Switch to JavaScriptSolidServer/rdflib.js fork which has:
- 67% smaller bundle (587KB → 190KB minified)
- Modular exports for core-only usage
- Optional peer dependencies for heavy parsers/serializers

Also added optional rdflib peer deps for storybook build.

Replace the heavy mime-types package (146KB from mime-db) with a
lightweight custom lookup table (~3KB) covering common web file types.

Bundle size reduction: 583KB → 426KB (-27%)