Add Monaco build test

[wipfli]

[wipfli]

This now looks all ready:

I made a change in the styling to have a failing render test above. You can click on the render test ci and then go to the "Upload render tests results.html on failure" job. This brings you to a link where you can download a zip file containing the CI's render test results.html file. Download an open it and you will see this:

[bdon]

LGTM, can merge after reverting the intentional breakage for CI failure

[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud