misc: update reactjs.org URLs to react.dev (#30)

Author: xquisite0

questions/explain-event-delegation/en-US.mdx

@@ -130,4 +130,3 @@ By using event delegation, React avoids attaching individual event handlers to e
 
 - [MDN Web Docs on Event Delegation](https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Building_blocks/Events#event_delegation)
 - [JavaScript.info - Event Delegation](https://javascript.info/event-delegation)
-- [React v17.0 Release Candidate: No New Features](https://legacy.reactjs.org/blog/2020/08/10/react-v17-rc.html#changes-to-event-delegation)

questions/explain-event-delegation/zh-CN.mdx

@@ -130,4 +130,3 @@ userForm.addEventListener('input', (event) => {
 
 * [MDN Web Docs on Event Delegation](https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Building_blocks/Events#event_delegation)
 * [JavaScript.info - Event Delegation](https://javascript.info/event-delegation)
-* [React v17.0 Release Candidate: No New Features](https://legacy.reactjs.org/blog/2020/08/10/react-v17-rc.html#changes-to-event-delegation)

questions/how-can-you-optimize-dom-manipulation-for-better-performance/en-US.mdx

@@ -108,5 +108,5 @@ element.style.height = `${height + 10}px`; // Write
 
 - [MDN Web Docs: DOM manipulation](https://developer.mozilla.org/en-US/docs/Web/API/Document_Object_Model/Manipulating_the_DOM)
 - [Google Developers: Avoid large, complex layouts and layout thrashing](https://developers.google.com/web/fundamentals/performance/rendering/avoid-large-complex-layouts-and-layout-thrashing)
-- [React documentation](https://reactjs.org/docs/getting-started.html)
+- [React documentation](https://react.dev/learn)
 - [MDN Web Docs: Using requestAnimationFrame](https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame)

questions/how-do-you-organize-your-code-module-pattern-classical-inheritance/en-US.mdx

@@ -69,7 +69,6 @@ I adhere to coding standards and best practices to ensure code quality:
 
 ## Further reading
 
-- [React Folder Structure](https://reactjs.org/docs/faq-structure.html)
 - [JavaScript Coding Standards](https://github.com/airbnb/javascript)
 - [Writing Clean Code](https://www.freecodecamp.org/news/writing-clean-code-6a8e2889b9f8/)
 - [Effective JavaScript Documentation](https://jsdoc.app/)

questions/how-do-you-organize-your-code-module-pattern-classical-inheritance/zh-CN.mdx

@@ -69,7 +69,6 @@ src/
 
 ## 延伸阅读
 
-* [React 文件夹结构](https://reactjs.org/docs/faq-structure.html)
 * [JavaScript 编码标准](https://github.com/airbnb/javascript)
 * [编写干净的代码](https://www.freecodecamp.org/news/writing-clean-code-6a8e2889b9f8/)
 * [有效的 JavaScript 文档](https://jsdoc.app/)