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/util/methodOf.mjs

@@ -0,0 +1,28 @@
+import { invoke } from "./invoke.mjs";
+//#region src/compat/util/methodOf.ts
+/**
+* Creates a function that invokes the method at a given path of `object` with the provided arguments.
+*
+* @param object - The object to query.
+* @param args - The arguments to invoke the method with.
+* @returns Returns a new function that takes a path and invokes the method at `path` with `args`.
+*
+* @example
+* const object = {
+*  a: {
+*   b: function (x, y) {
+*    return x + y;
+*    }
+*   }
+* };
+*
+* const add = methodOf(object, 1, 2);
+* console.log(add('a.b')); // => 3
+*/
+function methodOf(object, ...args) {
+	return function(path) {
+		return invoke(object, path, args);
+	};
+}
+//#endregion
+export { methodOf };