fix: README.md

Author: sendya

README.md

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 An out-of-box UI solution for enterprise applications as a Vue boilerplate. based on  <a href="https://vuecomponent.github.io/ant-design-vue/docs/vue/introduce-cn/" target="_blank">Ant Design of Vue</a>
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+[![Travis branch](https://travis-ci.org/sendya/ant-design-pro-vue.svg?branch=master)](https://travis-ci.org/sendya/ant-design-pro-vue)
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 Overview
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