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/fp/array/initial.js

@@ -0,0 +1,24 @@
+const require_initial = require("../../array/initial.js");
+//#region src/fp/array/initial.ts
+/**
+* Creates a function that returns every element except the last one.
+*
+* The returned function follows the main {@link initial} behavior and always returns a new array.
+* Use it with {@link pipe}.
+*
+* @template T - The type of elements in the array.
+* @returns A function that maps a readonly array to its initial elements.
+*
+* @example
+* import { initial, pipe } from 'es-toolkit/fp';
+*
+* pipe([1, 2, 3], initial());
+* // => [1, 2]
+*/
+function initial() {
+	return function(array) {
+		return require_initial.initial(array);
+	};
+}
+//#endregion
+exports.initial = initial;