d905010 coreos-download: combine links for signature and checksum

Authored and Committed by abai 4 years ago
    coreos-download: combine links for signature and checksum
    
    Previously links are displayed inside two <div>s, now changes
    to combine the links into a single <li> elements, which potentially
    makes it visually cleaner.
    
    Signed-off-by: Allen Bai <abai@redhat.com>