Add the various Fedora spins to Package Groups

[sYnfo]

• KDE
• Xfce
• LXDE
• MATE
• Cinnamon
• SoaS
• Design suite
• Games
• Robotics suite
• Scientific
• Security lab

[encukou]

Not likely to happen. Even if someone needs it, it's probably not worth it to have this issue open.