补充中文readme及网页试玩版本

README.md

@@ -1,6 +1,10 @@
+[English](README.md) | [简体中文](README-ZN.md)
+
 # SunnyLand
 **SunnyLand** is a cross-platfrom platformer game developed in C++ with SDL3, glm, nlohmann-json and Tiled.
 
+> This project is a teaching demonstration project; it is the 3rd episode in a series of tutorials titled "[C++ 游戏开发之旅](https://cppgamedev.top/)".
+
 ## Control
 ```
 A,D / left,right - to move;
@@ -9,6 +13,9 @@ J / Space - to jump;
 P / ESC - show menu and pause;
 ```
 
+## Play on Webpage
+[SunnyLand](https://wispsnow.github.io/SunnyLand/)
+
 ## ScreenShot
 <img src="https://theorhythm.top/gamedev/SL/SL_screenshot_1.png" style='width: 600px;'/>
 <img src="https://theorhythm.top/gamedev/SL/SL_screenshot_2.png" style='width: 600px;'/>
@@ -57,3 +64,19 @@ If you encounter trouble downloading from GitHub (especially on networks in main
 
 - Sponsors: `sino`, `李同学` 
 
+## Contact
+
+For support or feedback, please contact us through the GitHub issues section of this repository. Your feedback is crucial for making this series of tutorials better!
+
+## Buy Me a Coffee
+[!["Buy Me A Coffee"](https://storage.ko-fi.com/cdn/kofi2.png?v=3)](https://ko-fi.com/ziyugamedev)
+[!["Support me on Afdian"](https://pic1.afdiancdn.com/static/img/welcome/button-sponsorme.png)](https://afdian.com/a/ziyugamedev)
+
+
+
+## QQ Discussion Group and My WeChat QR Code
+
+<div style="display: flex; gap: 10px;">
+  <img src="https://theorhythm.top/personal/qq_group.webp" width="200" />
+  <img src="https://theorhythm.top/personal/wechat_qr.webp" width="200" />
+</div>