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/array/zipWith.mjs

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+//#region src/array/zipWith.ts
+/**
+* Combines multiple arrays into a single array using a custom combiner function.
+*
+* This function takes one array and a variable number of additional arrays,
+* applying the provided combiner function to the corresponding elements of each array.
+* If the input arrays are of different lengths, the resulting array will have the length
+* of the longest input array, with undefined values for missing elements.
+*
+* @template T - The type of elements in the input arrays.
+* @template R - The type of elements in the resulting array.
+* @param arr1 - The first array to zip.
+* @param rest - The additional arrays to zip together, followed by the combiner function.
+* @param combine - The combiner function that takes corresponding elements from each array, followed by their index, and returns a single value.
+* @returns A new array where each element is the result of applying the combiner function to the corresponding elements of the input arrays.
+*
+* @example
+* const arr1 = [1, 2, 3];
+* const arr2 = ['a', 'b', 'c'];
+* const result = zipWith(arr1, arr2, (num, char) => `${num}${char}`);
+* // result will be ['1a', '2b', '3c']
+*/
+function zipWith(arr1, ...rest) {
+	const arrs = [arr1, ...rest.slice(0, -1)];
+	const combine = rest[rest.length - 1];
+	const maxIndex = Math.max(...arrs.map((arr) => arr.length));
+	const result = Array(maxIndex);
+	for (let i = 0; i < maxIndex; i++) result[i] = combine(...arrs.map((arr) => arr[i]), i);
+	return result;
+}
+//#endregion
+export { zipWith };