Add Support for Parabola

[TechnologyClassroom]

Would there be interest in adding Parabola to netboot.xyz? Parabola is a fork of Arch with all proprietary software removed and complies with the GNU's FSDG.

https://www.parabola.nu/

The net install images can be found at https://wiki.parabola.nu/Get_Parabola and are labeled with the Net Install string.