update readme

README.md

 # Mirai
-一个使用TIM QQ协议的机器人
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+一个以<b>TIM QQ协议</b>驱动的JAVA QQ机器人服务端核心<br>
+不受由于<b>SMARTQQ</b>关停的影响<br>
+项目仍处于开发阶段<br>
+一切开发旨在学习, 请勿用于非法用途<br>
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+a JAVA powered open-sources project under GPL license<br>
+It use protocols from <i>TIM QQ</i>, meaning it won't be affect by the close of <i>smart QQ</i>
+The project is all for learning propose and still in developing stage<br>
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