What if srht[cdn].githack.com but it worked?

Limited to /~nabijaczleweli/; copy a "raw" link and sub the domain like
  https://ra.ws.co.ls/~nabijaczleweli/tzpfms/blob/man/tzpfms.pdf

nginx config + CGI resolver
As a side-effect, directory listings work like in
  https://ra.ws.co.ls/~nabijaczleweli/tzpfms/blob/man/

old nginx config (doesn't work with anubis, prone to getting autoblocked)