Merge branch 'submodule' into 'master'

build: Don’t install things if used as a subproject

See merge request !5
4 jobs for master in 15 minutes and 43 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #167559
build-job

00:01:45

 
  Test
passed #167560
test

00:04:22

16.9%
 
  Deploy
passed #167561
pages

00:09:35

passed pages:deploy

00:00:00