Add detection and notification of cheating attempts

[Skn0tt]

User Story: As a host, I want to be notified about cheating attempts, so I can be confident in the results.

[florian-str]

This feature might not be useful, as identifying all potential ways to cheat and detecting such an attempt requires a similar amount of time as resolving these issues in the first place.

In addition to that, reporting a (likely failed) cheating attempt will raise suspicion about a perfectly valid result.

Therefore, I advise against implementing this feature.