Add some comments

Author: JaneSjs

blogpost-apps/local-first-form-builder/index.html

@@ -69,6 +69,7 @@
  }
  }
 
+ // Persist a survey JSON
  creator.saveSurveyFunc = (saveNo, callback) => {
  try {
  const currentJSON = creator.JSON;
@@ -82,7 +83,8 @@
  markSyncedIfBothSaved();
  callback(saveNo, true);
  };
-
+ 
+ // Persist a survey theme
  creator.saveThemeFunc = (saveNo, callback) => {
  try {
  const currentTheme = creator.theme;