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/flip-vertical-2.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 FlipVertical2 = createLucideIcon("FlipVertical2", [
+  ["path", { d: "m17 3-5 5-5-5h10", key: "1ftt6x" }],
+  ["path", { d: "m17 21-5-5-5 5h10", key: "1m0wmu" }],
+  ["path", { d: "M4 12H2", key: "rhcxmi" }],
+  ["path", { d: "M10 12H8", key: "s88cx1" }],
+  ["path", { d: "M16 12h-2", key: "10asgb" }],
+  ["path", { d: "M22 12h-2", key: "14jgyd" }]
+]);
+
+export { FlipVertical2 as default };
+//# sourceMappingURL=flip-vertical-2.js.map