For OpenCore 0.7.6
- 新增：一键备份EFI，清理冗余的菜单项，其它方面的改进，感谢 @llity的创意。
- 注意：OC的开发版来自：https://github.com/acidanthera/OpenCorePkg/actions/runs/1450503981
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- Added: One-click backup of EFI, clean up redundant menu items, other improvements, many thanks to @llity for the idea.
- Note: The development version of OC is from: https://github.com/acidanthera/OpenCorePkg/actions/runs/1450503981