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/isSubset.mjs

@@ -0,0 +1,25 @@
+import { isSubset as isSubset$1 } from "../../array/isSubset.mjs";
+//#region src/fp/array/isSubset.ts
+/**
+* Creates a predicate that checks whether the piped array is a subset of superset.
+*
+* Every value in the piped array must be present in superset, using the main
+* {@link isSubset} equality behavior.
+*
+* @template T - The type of elements in the arrays.
+* @param superset - The array that may contain all values from the piped array.
+* @returns A predicate for the piped array.
+*
+* @example
+* import { isSubset, pipe } from 'es-toolkit/fp';
+*
+* pipe([1, 2], isSubset([1, 2, 3]));
+* // => true
+*/
+function isSubset(superset) {
+	return function(array) {
+		return isSubset$1(superset, array);
+	};
+}
+//#endregion
+export { isSubset };