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/trimStart.js

@@ -0,0 +1,24 @@
+const require_trimStart = require("../../string/trimStart.js");
+//#region src/compat/string/trimStart.ts
+/**
+* Removes leading whitespace or specified characters from a string.
+*
+* @param str - The string from which leading characters will be trimmed.
+* @param chars - The character(s) to remove from the start of the string.
+* @param guard - Enables use as an iteratee for methods like `map`.
+* @returns Returns the trimmed string.
+*
+* @example
+* trimStart('  abc  ');
+* // => 'abc  '
+*
+* trimStart('-_-abc-_-', '_-');
+* // => 'abc-_-'
+*/
+function trimStart(str, chars, guard) {
+	if (str == null) return "";
+	if (guard != null || chars == null) return str.toString().trimStart();
+	return require_trimStart.trimStart(str, chars.toString().split(""));
+}
+//#endregion
+exports.trimStart = trimStart;