add Readme

Author: 小 林

README.md

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+# Roslyn Syntax Tool
+
+Roslyn 是以 API 为驱动的下一代编译器。RoslynSyntaxTool是利用编译器的API，来创建描述该C#程序的语法树。与在运行时创建语法树对象SyntaxTree.ParseText()相反，此工具返回在编译和执行时构造这种语法树对象的C#源代码, 在动态生成代理类的时候能派上用场
+
+生成器代码来自开源RoslynOuter项目，链接: https://github.com/KirillOsenkov/RoslynQuoter
+
+这是独立开发者的一个开源项目, 希望得到您的意见反馈，请将Bugs汇报至我的邮箱
+
+ ![avatar](https://github.com/MatoApps/RoslynSyntaxTool/blob/master/RST/screenshot.png)
+ 
+## 更新内容：
+
+
+Date | Version | Content
+:----------: | :-----------: | :-----------
+V1.0         | 2021-3-16        | 初始版本
+
+
+
+## 安装说明：
+
+1. 下载安装包 https://raw.githubusercontent.com/MatoApps/RoslynSyntaxTool/master/RST/rst.zip
+
+2. 解压并双击 setup.exe 安装
+
+## 运行环境
+
+* Microsoft Windows 7 及以上
+
+
+
+## 已知问题：
+
+
+## 作者信息：
+
+作者：林小
+
+邮箱：[email protected]
+
+
+## License
+
+The MIT License (MIT)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.