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/string/constantCase.js

@@ -0,0 +1,21 @@
+const require_words = require("./words.js");
+//#region src/string/constantCase.ts
+/**
+* Converts a string to constant case.
+*
+* Constant case is a naming convention where each word is written in uppercase letters and separated by an underscore (`_`). For example, `CONSTANT_CASE`.
+*
+* @param str - The string that is to be changed to constant case.
+* @returns The converted string to constant case.
+*
+* @example
+* const convertedStr1 = constantCase('camelCase') // returns 'CAMEL_CASE'
+* const convertedStr2 = constantCase('some whitespace') // returns 'SOME_WHITESPACE'
+* const convertedStr3 = constantCase('hyphen-text') // returns 'HYPHEN_TEXT'
+* const convertedStr4 = constantCase('HTTPRequest') // returns 'HTTP_REQUEST'
+*/
+function constantCase(str) {
+	return require_words.words(str).map((word) => word.toUpperCase()).join("_");
+}
+//#endregion
+exports.constantCase = constantCase;