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/eraser.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 Eraser = createLucideIcon("Eraser", [
+  [
+    "path",
+    {
+      d: "m7 21-4.3-4.3c-1-1-1-2.5 0-3.4l9.6-9.6c1-1 2.5-1 3.4 0l5.6 5.6c1 1 1 2.5 0 3.4L13 21",
+      key: "182aya"
+    }
+  ],
+  ["path", { d: "M22 21H7", key: "t4ddhn" }],
+  ["path", { d: "m5 11 9 9", key: "1mo9qw" }]
+]);
+
+export { Eraser as default };
+//# sourceMappingURL=eraser.js.map