Update README.md

Author: 2534290808

README.md

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 [![pub package](https://img.shields.io/pub/v/animated_interpolation.svg)](https://pub.dartlang.org/packages/animated_interpolation)
 
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-<img src="https://github.com/flutter-studio/animated_interpolation/blob/master/images/untitled.gif" width = "280" alt="图片名称" align=center />
+<img src="https://github.com/flutter-studio/animated_interpolation/blob/master/untitled.gif" width = "280" alt="图片名称" align=center />
   </div>
 
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+<br/>
+
 A flutter interpolation plugin inspired by the React Native interpolation animation