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/rollup/dist/loadConfigFile.js

@@ -0,0 +1,29 @@
+/*
+  @license
+	Rollup.js v4.60.3
+	Mon, 04 May 2026 15:33:41 GMT - commit b47bdabeccbb7aa1b1d4117f2f4a781a9f6de297
+
+	https://github.com/rollup/rollup
+
+	Released under the MIT License.
+*/
+'use strict';
+
+Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+
+require('node:fs/promises');
+require('node:path');
+require('node:process');
+require('node:url');
+require('./shared/rollup.js');
+require('./shared/parseAst.js');
+const loadConfigFile_js = require('./shared/loadConfigFile.js');
+require('path');
+require('./native.js');
+require('node:perf_hooks');
+require('./getLogFilter.js');
+
+
+
+exports.loadConfigFile = loadConfigFile_js.loadConfigFile;
+//# sourceMappingURL=loadConfigFile.js.map