feat(reui): update ReUI components and documentation

- Added new OIDC configuration options in `.env.example`.
- Expanded documentation in `AGENTS.md` to include OIDC endpoints and admin UI.
- Updated ReUI skill version and component count from 17 to 20 across various documentation files.
- Enhanced `README.md` and other related files to reflect the new component structure and usage guidelines.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/web/vite.config.ts

@@ -28,6 +28,8 @@ export default defineConfig({
       '/api': 'http://localhost:8080',
       '/health': 'http://localhost:8080',
       '/ready': 'http://localhost:8080',
+      '/.well-known': 'http://localhost:8080',
+      '/oauth': 'http://localhost:8080',
     },
   },
 })