Add settings page for managing forecasting API key and URL via UI

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/node_modules/lucide-react/dist/esm/icons/magnet.js

@@ -0,0 +1,23 @@
+/**
+ * @license lucide-react v0.468.0 - ISC
+ *
+ * This source code is licensed under the ISC license.
+ * See the LICENSE file in the root directory of this source tree.
+ */
+
+import createLucideIcon from '../createLucideIcon.js';
+
+const Magnet = createLucideIcon("Magnet", [
+  [
+    "path",
+    {
+      d: "m6 15-4-4 6.75-6.77a7.79 7.79 0 0 1 11 11L13 22l-4-4 6.39-6.36a2.14 2.14 0 0 0-3-3L6 15",
+      key: "1i3lhw"
+    }
+  ],
+  ["path", { d: "m5 8 4 4", key: "j6kj7e" }],
+  ["path", { d: "m12 15 4 4", key: "lnac28" }]
+]);
+
+export { Magnet as default };
+//# sourceMappingURL=magnet.js.map