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/trim.mjs

@@ -0,0 +1,21 @@
+import { trimEnd } from "./trimEnd.mjs";
+import { trimStart } from "./trimStart.mjs";
+//#region src/string/trim.ts
+/**
+* Removes leading and trailing whitespace or specified characters from a string.
+*
+* @param str - The string from which characters will be trimmed.
+* @param chars - The character(s) to remove from the string. Can be a single character or an array of characters.
+* @returns The resulting string after the specified characters have been removed.
+*
+* @example
+* trim("  hello  "); // "hello"
+* trim("--hello--", "-"); // "hello"
+* trim("##hello##", ["#", "o"]); // "hell"
+*/
+function trim(str, chars) {
+	if (chars === void 0) return str.trim();
+	return trimStart(trimEnd(str, chars), chars);
+}
+//#endregion
+export { trim };