add gitlab ci

1 job for master in 1 minute and 15 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Test
failed #206379779
pages

00:01:15

 
Name Stage Failure
failed
pages Test

Skipping Git submodules setup
$ hugo
Building sites … WARN 2019/05/02 22:49:08 found no layout file for "HTML" for "taxonomyTerm": You should create a template file which matches Hugo Layouts Lookup Rules for this combination.
ERROR 2019/05/02 22:49:08 error: failed to transform resource: TOCSS: failed to transform "sass/main.scss" (text/x-scss): this feature is not available in your current Hugo version, see https://goo.gl/YMrWcn for more information
WARN 2019/05/02 22:49:08 found no layout file for "HTML" for "taxonomyTerm": You should create a template file which matches Hugo Layouts Lookup Rules for this combination.
Total in 12 ms
Error: Error building site: logged 1 error(s)
ERROR: Job failed: exit code 255