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/logic/getResolverOptions.d.ts

@@ -0,0 +1,14 @@
+import type { CriteriaMode, FieldName, FieldRefs, FieldValues, InternalFieldName } from '../types';
+declare const _default: <TFieldValues extends FieldValues>(fieldsNames: Set<InternalFieldName> | InternalFieldName[], _fields: FieldRefs, criteriaMode?: CriteriaMode, shouldUseNativeValidation?: boolean | undefined) => {
+    criteriaMode: CriteriaMode | undefined;
+    names: FieldName<TFieldValues>[];
+    fields: Record<string, {
+        ref: import("..").Ref;
+        name: InternalFieldName;
+        refs?: HTMLInputElement[];
+        mount?: boolean;
+    } & import("..").RegisterOptions>;
+    shouldUseNativeValidation: boolean | undefined;
+};
+export default _default;
+//# sourceMappingURL=getResolverOptions.d.ts.map