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/es-toolkit/dist/compat/function/noop.d.mts

@@ -0,0 +1,13 @@
+//#region src/compat/function/noop.d.ts
+/**
+ * A no-operation function that does nothing.
+ * This can be used as a placeholder or default function.
+ *
+ * @example
+ * noop(); // Does nothing
+ *
+ * @returns This function does not return anything.
+ */
+declare function noop(..._: any[]): void;
+//#endregion
+export { noop };