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/layers.js

@@ -0,0 +1,35 @@
+/**
+ * @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 Layers = createLucideIcon("Layers", [
+  [
+    "path",
+    {
+      d: "M12.83 2.18a2 2 0 0 0-1.66 0L2.6 6.08a1 1 0 0 0 0 1.83l8.58 3.91a2 2 0 0 0 1.66 0l8.58-3.9a1 1 0 0 0 0-1.83z",
+      key: "zw3jo"
+    }
+  ],
+  [
+    "path",
+    {
+      d: "M2 12a1 1 0 0 0 .58.91l8.6 3.91a2 2 0 0 0 1.65 0l8.58-3.9A1 1 0 0 0 22 12",
+      key: "1wduqc"
+    }
+  ],
+  [
+    "path",
+    {
+      d: "M2 17a1 1 0 0 0 .58.91l8.6 3.91a2 2 0 0 0 1.65 0l8.58-3.9A1 1 0 0 0 22 17",
+      key: "kqbvx6"
+    }
+  ]
+]);
+
+export { Layers as default };
+//# sourceMappingURL=layers.js.map