Update the sample projects

[FelixKirsch]

Is your feature request related to a problem? Please describe. The sample projects have not been updated since the initial open-source release. Therefore, new features are not presented/applied in the sample projects and the user cannot get an insight into the full possibilities of refinery.

Describe the solution you'd like Create an updated version of the sample projects. This involves adding calculated attributes, comments, ...

Describe alternatives you've considered Stay with the old ones.

Additional context Test Findings v1.5.0