add CS571 (Web)

docs/Web开发/CS571.en.md

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+# CS571 React & React Native
+
+## Course Overview
+
+- University: University of Wisconsin, Madison
+- Prerequisites: CS400 (Advanced Java, but it is not necessary in my opinion)
+- Programming Languages: JavaScript/HTML/CSS
+- Course Difficulty: 🌟🌟🌟
+- Estimated Time Commitment: 2h/week (lecture) + 4-10h/week (HW), 12 weeks
+
+This course provides a comprehensive but concise introduction to the best practices of React front-end development and React Native mobile development, focusing on the latest versions of React and React Native. It is a valuable resource for tackling the complexities of front-end development.
+
+The course also offers a good training ground. Be prepared for a significant workload throughout the semester. If you are unsure about how to write React code when doing homework, I recommend spending extra time carefully reading the relevant chapters on react.dev before diving in.
+
+All course materials are open-source, but you will need to request an X-CS571-ID header from the instructor, Cole Nelson (ctnelson2@wisc.edu). The header will be necessary for API request. When sending an email, it is advisable to include a brief self-introduction.
+
+## Course Resources
+
+- Course Website: <https://cs571.org>
+- Course Videos: Refer to the links labeled "R" on the course website.
+- Course Assignments: Refer to the course website for more information.

docs/Web开发/CS571.md

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+# CS571 React & React Native
+
+## 课程简介
+
+- 所属大学：威斯康星大学麦迪逊分校（University of Wisconsin, Madison）
+- 先修要求：CS400（高级Java，但个人觉得先修不必要）
+- 编程语言：JavaScript/HTML/CSS
+- 课程难度：🌟🌟🌟
+- 预计学时：每周2小时（讲座）+ 每周4-10小时（作业），持续12周
+
+该课程提供了React前端开发和React Native移动端开发的最佳实践介绍，完整又简洁。重点关注React和React Native的最新版本。对于应对前端开发的复杂性来说，这是一份宝贵的资源。
+
+同时，该课程也提供了很好的训练机会。在整个学期中，需要做好承担较大作业量的准备。如果写作业时对于React的某些功能不确定怎么写，建议在动手之前多花些时间仔细阅读react.dev上的相关章节。
+
+所有课程资料都是开源的，但你需要向授课教师Cole Nelson（ctnelson2@wisc.edu）发送电子邮件以获取X-CS571-ID，该ID是向API发送request必需的。在发送邮件时，建议附上自我介绍。
+
+## 课程资源
+
+- 课程网站：<https://cs571.org>
+- 课程视频：请参考课程网站上标有“R”的链接
+- 课程作业：请参考课程网站上的相关信息