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/now.js

@@ -0,0 +1,21 @@
+//#region src/compat/util/now.ts
+/**
+* Returns the number of milliseconds elapsed since January 1, 1970 00:00:00 UTC.
+*
+* @returns The current time in milliseconds.
+*
+* @example
+* const currentTime = now();
+* console.log(currentTime); // Outputs the current time in milliseconds
+*
+* @example
+* const startTime = now();
+* // Some time-consuming operation
+* const endTime = now();
+* console.log(`Operation took ${endTime - startTime} milliseconds`);
+*/
+function now() {
+	return Date.now();
+}
+//#endregion
+exports.now = now;