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/dropRight.js

@@ -0,0 +1,24 @@
+//#region src/array/dropRight.ts
+/**
+* Removes a specified number of elements from the end of an array and returns the rest.
+*
+* This function takes an array and a number, and returns a new array with the specified number
+* of elements removed from the end.
+*
+* @template T - The type of elements in the array.
+* @param arr - The array from which to drop elements.
+* @param itemsCount - The number of elements to drop from the end of the array.
+* @returns A new array with the specified number of elements removed from the end.
+*
+* @example
+* const array = [1, 2, 3, 4, 5];
+* const result = dropRight(array, 2);
+* // result will be [1, 2, 3] since the last two elements are dropped.
+*/
+function dropRight(arr, itemsCount) {
+	itemsCount = Math.min(-itemsCount, 0);
+	if (itemsCount === 0) return arr.slice();
+	return arr.slice(0, itemsCount);
+}
+//#endregion
+exports.dropRight = dropRight;