功能建议：图片加量包是否可以增加GitHub源

[Lucas04-nhr]

在使用"#喵喵更新图像"命令来获取图片加量包时，默认从Gitee源拉取，但是我的服务器使用的是微软Azure云，貌似无法正常访问Gitee，请问能否在这个功能中添加一个换源的选项呢？

附：报错log：

Error code: 128
Error: Command failed: git clone https://gitee.com/yoimiya-kokomi/miao-res-plus.git "/home/azureuser/GitHub/Miao-Yunzai/plugins/miao-plugin/resources//miao-res-plus/" --depth=1
Cloning into '/home/azureuser/GitHub/Miao-Yunzai/plugins/miao-plugin/resources//miao-res-plus'...
fatal: unable to access 'https://gitee.com/yoimiya-kokomi/miao-res-plus.git/': Failed to connect to gitee.com port 443 after 131835 ms: Connection timed out

    at ChildProcess.exithandler (node:child_process:422:12)
    at ChildProcess.emit (node:events:518:28)
    at maybeClose (node:internal/child_process:1105:16)
    at ChildProcess._handle.onexit (node:internal/child_process:305:5)