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/string/lowerCase.mjs

@@ -0,0 +1,23 @@
+import { lowerCase as lowerCase$1 } from "../../string/lowerCase.mjs";
+import { deburr } from "./deburr.mjs";
+import { normalizeForCase } from "../_internal/normalizeForCase.mjs";
+//#region src/compat/string/lowerCase.ts
+/**
+* Converts a string to lower case.
+*
+* Lower case is the naming convention in which each word is written in lowercase and separated by an space ( ) character.
+*
+* @param str - The string that is to be changed to lower case.
+* @returns The converted string to lower case.
+*
+* @example
+* const convertedStr1 = lowerCase('camelCase') // returns 'camel case'
+* const convertedStr2 = lowerCase('some whitespace') // returns 'some whitespace'
+* const convertedStr3 = lowerCase('hyphen-text') // returns 'hyphen text'
+* const convertedStr4 = lowerCase('HTTPRequest') // returns 'http request'
+*/
+function lowerCase(str) {
+	return lowerCase$1(normalizeForCase(deburr(str)));
+}
+//#endregion
+export { lowerCase };