Problem: No automated quality checks on MRs
Since moving to GitLab we don't have automatic testing. We used to have this on GitHub thanks to TravisCI.
Solution: Use GitLab to run the build and test steps using GitLab CI/CD on every MR.
Closes #114 (closed)
This also closes #84 (closed) - because I'm using the build artifacts of the elm_make
job (index.html) in the pages
job.