add a free tool on Mac which support mount WebDav (#231)

* add a free tool on Mac which support mount WebDav

* sync

---------

Co-authored-by: Andy Hsu <[email protected]>

Author: shishaozheng

docs/guide/webdav.md

@@ -70,7 +70,7 @@ Can't fill in? [Click to view Fill in Example](#webdav-fill-in-example)
    - If you only look at Ali, you can use Ali's official cooperation
      - Huanshi store-Alibaba cloud disk TV version, online disk player-Alibaba cloud disk TV version
 5. **Mac**
-   - IINA，[Mountain Duck](https://mountainduck.io/)，infuse，[netdrive](https://www.netdrive.net/)，[rclone](https://rclone.org/)
+   - [VidHub](https://zh.okaapps.com/product/1659622164), IINA，[Mountain Duck](https://mountainduck.io/)，infuse，[netdrive](https://www.netdrive.net/)，[rclone](https://rclone.org/)
 6. **Linux**
    - davfs2，[rclone](https://rclone.org/)
 7. **Notes**

docs/zh/guide/webdav.md

@@ -70,7 +70,7 @@ star: true
    - 若只看阿里可以使用阿里官方合作的
      - 欢视商店-阿里云盘TV版，网盘播放器-阿里云盘TV版
 5. **Mac**
-   - IINA，[Mountain Duck](https://mountainduck.io/)，infuse，[netdrive](https://www.netdrive.net/)，[rclone](https://rclone.org/)
+   - [VidHub](https://zh.okaapps.com/product/1659622164)，IINA，[Mountain Duck](https://mountainduck.io/)，infuse，[netdrive](https://www.netdrive.net/)，[rclone](https://rclone.org/)
 6. **Linux**
    - davfs2，[rclone](https://rclone.org/)
 7. **笔记软件**