Update README.md

Author: YujiSODE

README.md

@@ -5,4 +5,7 @@ GitHub: https://github.com/YujiSODE/dataMappingGuide
 >This software is released under the MIT License.  
 >See LICENSE or http://opensource.org/licenses/mit-license.php
 ______
-## 1. Synopsis
+## 1. Script
+- `dataMappingGuide.js`
+
+## 2. Synopsis