Add .gitlab-ci.yml

1 job for master in 24 seconds (queued for 1 second)
Status Job ID Name Coverage
  Deploy
failed #24
pages

00:00:24

 
Name Stage Failure
failed
pages Deploy
(2/3) Installing libstdc++ (8.3.0-r0)
(3/3) Installing libsass (3.6.1-r0)
OK: 9 MiB in 18 packages
$ make
mkdir -p out/style
rsync -a --delete src/style/font out/style
make: rsync: Command not found
make: *** [makefile:15: out/style/font] Error 127
ERROR: Job failed: exit code 2