beta版 readme

lizhuoyuan · lizhuoyuan · commit 210e61a7b37a · 2020-07-26T13:55:37.000+08:00
diff --git a/README.md b/README.md
@@ -31,7 +31,6 @@ dependencies:
   # add flutter_screenutil
   flutter_screenutil: ^3.0.0-beta.1
 ```
-
 ### Add the following imports to your Dart code:
 ```
 import 'package:flutter_screenutil/flutter_screenutil.dart';
diff --git a/README_CN.md b/README_CN.md
@@ -36,7 +36,6 @@ dependencies:
   # 添加依赖
   flutter_screenutil: ^2.3.0
 ```
-
 ### 在每个使用的地方导入包：
 ```
 import 'package:flutter_screenutil/flutter_screenutil.dart';
diff --git a/README_PT.md b/README_PT.md
@@ -15,7 +15,6 @@
 
 [Histórico de atualizações](https://github.com/OpenFlutter/flutter_screenutil/blob/master/CHANGELOG.md)
 
-
 ## Como usar:
 
 ### Adicionando a dependência：
