feat: sync mixly root files and common folder

mixly/README.md

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+<p align="center">
+  <a href="https://mixly3.gitee.io/mixly3.0_src">
+    <img src="https://foruda.gitee.com/images/1677155717148882961/0c044ac0_5225463.png" width="100" alt="Mixly">
+  </a>
+</p>
+<h2 align="center">Mixly</h2>
+<p align="center">
+  一款面向初学者、硬件编程爱好者的图形化编程工具
+</p>
+
+---
+
+## 跨平台代码
+
+### Mixly官方网站
+
+http://mixly.org
+
+### Mixly wiki帮助
+
+http://wiki.mixly.org
+
+### 网盘下载地址
+
+- [百度网盘链接](https://pan.baidu.com/s/1EdBmAlYFzJ_2rULhKm2g3g?pwd=ny1n)
+
+### 图片预览
+
+---
+
+<table>
+    <tr>
+        <td><img src="https://foruda.gitee.com/images/1677153641352478950/f4d0eb67_5225463.png"/></td>
+        <td><img src="https://foruda.gitee.com/images/1677153954316335623/5ffa2d91_5225463.png"/></td>
+    </tr>
+    <tr>
+        <td><img src="https://foruda.gitee.com/images/1677156373211671352/7922a57e_5225463.png"/></td>
+        <td><img src="https://foruda.gitee.com/images/1677156435604305593/6f5e54aa_5225463.png"/></td>
+    </tr>
+    <tr>
+        <td><img src="https://foruda.gitee.com/images/1677153736660048584/765aa0b6_5225463.png"/></td>
+        <td><img src="https://foruda.gitee.com/images/1677153898146411955/86be2604_5225463.png"/></td>
+    </tr>
+    <tr>
+        <td><img src="https://foruda.gitee.com/images/1677154053942238016/521454df_5225463.png"/></td>
+        <td><img src="https://foruda.gitee.com/images/1677154016356791744/51975de1_5225463.png"/></td>
+    </tr>
+</table>
+
+### 更新工具
+
+- Mixly3.0一键更新工具：[下载](https://www.123pan.com/s/uAxvTd-8229d)
+
+### 更新说明
+
+[更新日志](https://gitee.com/mixly3/mixly3.0_src/blob/master/CHANGELOG.md)
+
+### 官方交流群
+
+<table>
+    <tr>
+        <td align="center">Arduino米思齐官方交流群</td>
+        <td align="center">XPython米思齐官方交流群</td>
+        <td align="center">米思齐公益培训群2023</td>
+    </tr>
+    <tr>
+        <td align="center"><img src="https://foruda.gitee.com/images/1677155200693014860/246cbd2e_5225463.jpeg"/></td>
+        <td align="center"><img src="https://foruda.gitee.com/images/1677155247192137948/1508698a_5225463.jpeg"/></td>
+        <td align="center"><img src="https://foruda.gitee.com/images/1677155350027940742/19085ccb_5225463.jpeg"/></td>
+    </tr>
+</table>
+