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/isMap.js

@@ -0,0 +1,24 @@
+const require_isMap = require("../../predicate/isMap.js");
+//#region src/compat/predicate/isMap.ts
+/**
+* Checks if a given value is `Map`.
+*
+* This function can also serve as a type predicate in TypeScript, narrowing the type of the argument to `Map`.
+*
+* @param value The value to check if it is a `Map`.
+* @returns Returns `true` if `value` is a `Map`, else `false`.
+*
+* @example
+* const value1 = new Map();
+* const value2 = new Set();
+* const value3 = new WeakMap();
+*
+* console.log(isMap(value1)); // true
+* console.log(isMap(value2)); // false
+* console.log(isMap(value3)); // false
+*/
+function isMap(value) {
+	return require_isMap.isMap(value);
+}
+//#endregion
+exports.isMap = isMap;