rebuild lettergroup min file

Author: TamaroWalter

amd/build/lettergroup.min.js

@@ -30,7 +30,8 @@ const Selectors = {
 };
 
 /**
- * Init function. Adds event listener to orientation marker of letter group to enable a collapsible letter group.
+ * Init function.
+ * Adds event listener to orientation marker of letter group to enable a collapsible letter group.
  */
 export function init() {
     letterboxes.forEach(