Update README.md

Author: alvarosabu

README.md

@@ -252,6 +252,10 @@ export default yourAwesomeComponent;
 
 The components are unstyled by default, so you can customize them with your own styles. If you want a more "ready to go" solution you can import on of the themes we have included in `src/styles/themes/`
 
+```scss
+@import '~@asigloo/vue-dynamic-forms/src/styles/themes/default.scss';
+```
+
 ## Development
 
 ### Project setup