Fixed GUID formatting for legacy NVRAM savingFixed inability to open files in root directory on an NTFS filesystemFixed hang while unloading NTFS driverAdded UEFI quirk ShimRetainProtocol, allowing OpenCore chained from shim to verify Linux using shim's certificatesAdded OpenLegacyBoot driver for supporting legacy OS bootingAdded shim-make.tool to download and build rhboot/shim, for Linux SBAT and MOK integration