add jsdoc

helpers/logger.mjs

@@ -1,3 +1,8 @@
+/**
+ * A simple logging utility that prefixes log messages with a timestamp and a tag.
+ *
+ * @param {...any} args - The arguments to log, which can be of any type.
+ */
 export const log = (...args) => {
   const timestamp = new Date().toISOString();
   console.log(`[holybar] [${timestamp}]`, ...args);