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/isNumber.js

@@ -0,0 +1,26 @@
+const require_getTag = require("../_internal/getTag.js");
+require("../_internal/tags.js");
+const require_isObjectLike = require("./isObjectLike.js");
+//#region src/compat/predicate/isNumber.ts
+/**
+* Checks if a given value is a number.
+*
+* This function can also serve as a type predicate in TypeScript, narrowing the type of the argument to `number`.
+*
+* @param value The value to check if it is a number.
+* @returns Returns `true` if `value` is a number, else `false`.
+*
+* @example
+* const value1 = 123;
+* const value2 = 'abc';
+* const value3 = true;
+*
+* console.log(isNumber(value1)); // true
+* console.log(isNumber(value2)); // false
+* console.log(isNumber(value3)); // false
+*/
+function isNumber(value) {
+	return typeof value === "number" || require_isObjectLike.isObjectLike(value) && require_getTag.getTag(value) === "[object Number]";
+}
+//#endregion
+exports.isNumber = isNumber;