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/languages.js

@@ -0,0 +1,20 @@
+/**
+ * @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 Languages = createLucideIcon("Languages", [
+  ["path", { d: "m5 8 6 6", key: "1wu5hv" }],
+  ["path", { d: "m4 14 6-6 2-3", key: "1k1g8d" }],
+  ["path", { d: "M2 5h12", key: "or177f" }],
+  ["path", { d: "M7 2h1", key: "1t2jsx" }],
+  ["path", { d: "m22 22-5-10-5 10", key: "don7ne" }],
+  ["path", { d: "M14 18h6", key: "1m8k6r" }]
+]);
+
+export { Languages as default };
+//# sourceMappingURL=languages.js.map