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/predicate/isObject.mjs

@@ -0,0 +1,29 @@
+//#region src/compat/predicate/isObject.ts
+/**
+* Checks if the given value is an object. An object is a value that is
+* not a primitive type (string, number, boolean, symbol, null, or undefined).
+*
+* This function tests whether the provided value is an object or not.
+* It returns `true` if the value is an object, and `false` otherwise.
+*
+* This function can also serve as a type predicate in TypeScript, narrowing the type of the argument to an object value.
+*
+* @param value - The value to check if it is an object.
+* @returns `true` if the value is an object, `false` otherwise.
+*
+* @example
+* const value1 = {};
+* const value2 = [1, 2, 3];
+* const value3 = () => {};
+* const value4 = null;
+*
+* console.log(isObject(value1)); // true
+* console.log(isObject(value2)); // true
+* console.log(isObject(value3)); // true
+* console.log(isObject(value4)); // false
+*/
+function isObject(value) {
+	return value !== null && (typeof value === "object" || typeof value === "function");
+}
+//#endregion
+export { isObject };