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/array/remove.d.ts

@@ -0,0 +1,22 @@
+import { ListIteratee } from "../_internal/ListIteratee.js";
+import { MutableList } from "../_internal/MutableList.js";
+import { RejectReadonly } from "../_internal/RejectReadonly.js";
+
+//#region src/compat/array/remove.d.ts
+/**
+ * Removes all elements from array that predicate returns truthy for and returns an array of the removed elements.
+ *
+ * @template L
+ * @param array - The array to modify.
+ * @param [predicate] - The function invoked per iteration.
+ * @returns Returns the new array of removed elements.
+ *
+ * @example
+ * const array = [1, 2, 3, 4];
+ * const evens = remove(array, n => n % 2 === 0);
+ * console.log(array); // => [1, 3]
+ * console.log(evens); // => [2, 4]
+ */
+declare function remove<L extends MutableList<any>>(array: RejectReadonly<L>, predicate?: ListIteratee<L[0]>): Array<L[0]>;
+//#endregion
+export { remove };