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/vitest/dist/vendor/tasks.IknbGB2n.js

@@ -0,0 +1,14 @@
+import { getNames, getTests } from '@vitest/runner/utils';
+import '@vitest/utils';
+
+function hasFailedSnapshot(suite) {
+  return getTests(suite).some((s) => {
+    var _a, _b;
+    return (_b = (_a = s.result) == null ? void 0 : _a.errors) == null ? void 0 : _b.some((e) => typeof (e == null ? void 0 : e.message) === "string" && e.message.match(/Snapshot .* mismatched/));
+  });
+}
+function getFullName(task, separator = " > ") {
+  return getNames(task).join(separator);
+}
+
+export { getFullName as g, hasFailedSnapshot as h };