Danger: handle Babel errors from frontend-maven-plugin

[0pdd]

The puzzle 1060-a747d278 from #1060 has to be resolved:

mystamps/Dangerfile

Line 408 in 1dc70fd

# @todo #1060 Danger: handle Babel errors from frontend-maven-plugin

The puzzle was created by @php-coder on 10-Jul-19.

[php-coder]

I have decided discontinue usage of Danger (see #1600).