Changelog

• b27add5 Fix typo in README.md
• a0039db Skip disk conversion when format is raw
• fe4e9b2 [skip ci] docs: explain why root privileges are required
• fb3ee62 add fat32 boot partition support
• 4e533b8 add grub support
• a41bbdb add grub-efi support
• d8ee378 add ubuntu 16.04 support
• d54b3f9 arm64 support with grub-efi
• c15ce00 build(deps): bump github.com/docker/distribution
• e31bc93 centos-stream-9: fix Dockerfile template
• a22bf9c fix debian stretch support
• f711f89 fix vhd format support
• f8fc729 grub and grub-efi not supported for CentOS
• 85b144f replace .Release.Version with .Release.VersionID to fix #65
• 1934915 templates: clean package manager cache
• dfd4d7d when multiple kernels and initrds exist, use the latest