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/lodash/_getMatchData.js

@@ -0,0 +1,24 @@
+var isStrictComparable = require('./_isStrictComparable'),
+    keys = require('./keys');
+
+/**
+ * Gets the property names, values, and compare flags of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the match data of `object`.
+ */
+function getMatchData(object) {
+  var result = keys(object),
+      length = result.length;
+
+  while (length--) {
+    var key = result[length],
+        value = object[key];
+
+    result[length] = [key, value, isStrictComparable(value)];
+  }
+  return result;
+}
+
+module.exports = getMatchData;