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/call-bind-apply-helpers/index.js

@@ -0,0 +1,15 @@
+'use strict';
+
+var bind = require('function-bind');
+var $TypeError = require('es-errors/type');
+
+var $call = require('./functionCall');
+var $actualApply = require('./actualApply');
+
+/** @type {(args: [Function, thisArg?: unknown, ...args: unknown[]]) => Function} TODO FIXME, find a way to use import('.') */
+module.exports = function callBindBasic(args) {
+	if (args.length < 1 || typeof args[0] !== 'function') {
+		throw new $TypeError('a function is required');
+	}
+	return $actualApply(bind, $call, args);
+};