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/predicate/isEqual.mjs

@@ -0,0 +1,22 @@
+import { noop } from "../function/noop.mjs";
+import { isEqualWith } from "./isEqualWith.mjs";
+//#region src/predicate/isEqual.ts
+/**
+* Checks if two values are equal, including support for `Date`, `RegExp`, and deep object comparison.
+*
+* @param a - The first value to compare.
+* @param b - The second value to compare.
+* @returns `true` if the values are equal, otherwise `false`.
+*
+* @example
+* isEqual(1, 1); // true
+* isEqual({ a: 1 }, { a: 1 }); // true
+* isEqual(/abc/g, /abc/g); // true
+* isEqual(new Date('2020-01-01'), new Date('2020-01-01')); // true
+* isEqual([1, 2, 3], [1, 2, 3]); // true
+*/
+function isEqual(a, b) {
+	return isEqualWith(a, b, noop);
+}
+//#endregion
+export { isEqual };