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/egg.js

@@ -0,0 +1,21 @@
+/**
+ * @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 Egg = createLucideIcon("Egg", [
+  [
+    "path",
+    {
+      d: "M12 22c6.23-.05 7.87-5.57 7.5-10-.36-4.34-3.95-9.96-7.5-10-3.55.04-7.14 5.66-7.5 10-.37 4.43 1.27 9.95 7.5 10z",
+      key: "1c39pg"
+    }
+  ]
+]);
+
+export { Egg as default };
+//# sourceMappingURL=egg.js.map