update README.MD

README.MD

 # NeteaseCloudMusicApi
 一个调用网易云音乐 API 的 node 模块
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 <a href="https://www.npmjs.com/package/NeteaseCloudMusicApi"><img src="https://img.shields.io/npm/v/NeteaseCloudMusicApi.svg" alt="Version"></a>
 <a href="https://www.npmjs.com/package/NeteaseCloudMusicApi"><img src="https://img.shields.io/npm/l/NeteaseCloudMusicApi.svg" alt="License"></a>
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