feat(lessons): add lessons from client db

src/lib/utils.ts

@@ -111,3 +111,8 @@ export const formatGroupTitle = (status: string) => {
       return status;
   }
 };
+
+export const truncate = (str: string | undefined, max = 14): string => {
+  if (!str) return "";
+  return str.length > max ? str.slice(0, max - 1) + "…" : str;
+};