Update README.md

README.md

 <img src='https://paddle-serving.bj.bcebos.com/imdb-demo%2FLogoMakr-3Bd2NM-300dpi.png' width = "600" height = "127">
 
-An easy-to-use Machine Learning Model Inference Service Deployment Tool
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 [![Release](https://img.shields.io/badge/Release-0.0.3-yellowgreen)](Release)
 [![Issues](https://img.shields.io/github/issues/PaddlePaddle/Serving)](Issues)
 [![License](https://img.shields.io/github/license/PaddlePaddle/Serving)](LICENSE)