Add Screenshot Feature for each event

[thohenadl]

To add more data while recording a Screenshot taken at each event would help to generate more insight. This would allow two things immediatly:

1. Create Translutient Event logs for possible "what if" scenarios: https://link.springer.com/chapter/10.1007/978-3-031-27815-0_32
2. Allow for more data mining, such as looking for human made choises based on UI: doi.org/10.1007/978-3-031-16103-2_8