added le-r10-certificate and removed/added some logging

lib/api/mhsl/server/userIndex/update/updateUserindex.dart

@@ -20,7 +20,7 @@ class UpdateUserIndex extends MhslApi<void> {
   @override
   Future<http.Response> request(Uri uri) {
     var data = jsonEncode(params.toJson());
-    log('Updating userindex:\n $data');
+    log('Updating userindex: ${data.length}');
     return http.post(uri, body: data);
   }