Quickstarts should explain score by justifications and constraint matches

[rsynek]

The score itself does not tell users why the solution is good or bad. Each quickstart should provide explanation by using constraint matches in the UI.

[ge0ffrey]

Good idea, needs to be designed. Let's set up a call with proposals.

[triceo]

The support in the Solver is there now, example implementation in School Timetabling (Quarkus).

[winklerm]

Score analysis added into VRP quickstart [1] as well.

[1] #227

[pieterdeschepper]

blocked by #273