Improvement: Process training

[aschemmel-tech]

Important

Make sure to link this issue with the PR for your improvement.

Accepance Criteria:

• Process training for developers and testers performed with one cross-functional team using the available process documentation
• Gaps in understanding identified and solution for the closure created (e.g. cookbook)
• Established as a must-do for every committer at least

Precondition:

• All development and testing process descriptions completed (ML 2).