[CentOS-docs] Adding SIG info to mirror list

27.3.2017, 14.31, Zdenek Sedlak kirjoitti:
> Hello,
>
> I was looking for AltArch Rsync mirror somewhere in the Nordic and it is
> somehow hard to find.
>
> Mirror list at https://www.centos.org/download/mirrors/ shows the
> available HTTP/FTP/Rsync mirrors, but there is no information if the
> mirror provides other content than the CentOS repository itself.
>
> Would it be possible to have additional information like if the AltArch
> (and others) repositories are available or not.
>
> What do you think?

The header on that page helpfully says: "If you’re searching for mirrors 
providing AltArch content (like ppc64,ppc64le,aarch64,armfhp) please use 
this link", with a link pointing to 
https://www.centos.org/download/altarch-mirrors/

I hope this helps you find the mirrors easier :)