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/util/times.d.ts

@@ -0,0 +1,24 @@
+//#region src/compat/util/times.d.ts
+/**
+ * Invokes the iteratee function n times, returning an array of the results.
+ *
+ * @template T The return type of the iteratee function.
+ * @param n - The number of times to invoke iteratee.
+ * @param iteratee - The function to invoke for each index.
+ * @returns An array containing the results of invoking iteratee n times.
+ * @example
+ * times(3, (i) => i * 2); // => [0, 2, 4]
+ * times(2, () => 'es-toolkit'); // => ['es-toolkit', 'es-toolkit']
+ */
+declare function times<T>(n: number, iteratee: (num: number) => T): T[];
+/**
+ * Invokes the default iteratee function n times, returning an array of indices.
+ *
+ * @param n - The number of times to invoke the default iteratee.
+ * @returns An array containing indices from 0 to n-1.
+ * @example
+ * times(3); // => [0, 1, 2]
+ */
+declare function times(n: number): number[];
+//#endregion
+export { times };