feat(frontend): add API client, layout, and routing

- Create Axios-based API client with sources, jobs, and dashboard endpoints
- Add responsive Layout component with navigation sidebar
- Set up React Router with Dashboard, Backups, and Settings routes
- Configure TanStack Query provider with default options
- Use lucide-react for navigation icons

frontend/node_modules/react-hook-form/dist/index.d.ts

@@ -0,0 +1,14 @@
+export * from './controller';
+export * from './form';
+export * from './formStateSubscribe';
+export * from './logic';
+export * from './types';
+export * from './useController';
+export * from './useFieldArray';
+export * from './useForm';
+export * from './useFormContext';
+export * from './useFormState';
+export * from './useWatch';
+export * from './utils';
+export * from './watch';
+//# sourceMappingURL=index.d.ts.map