[Release] Introducing new LOGO, Pack U-Boot and Fixed some DE issues

[kwankiu]

• Introducing our new LOGO (ASCII Art based) !!!
• Split Radxa Rock 5 Series images to rock-5a and rock-5b
• Split Orange Pi 5 Series images to orangepi-5, orangepi-5b, orangepi-5-plus
• Pack u-boot into all images (including Edge 2)
• Added Radxa Zero 3 image
• Removed Deepin as not supported by Arch Linux ARM
• Fix some Desktop Environments
• Removed install additional packages menu (you can access this menu after logging into your desktop by using arch-rock-config install)
• Fixed some other bugs