Structure Change: add parser groups

[looxer01]

the problem is that for requirements with different execution times or other varying headline configs a new instance must be created

Describe the solution you'd like
One solution would be to add current headerlines into parser groups
under groups, lines can be configured as today

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.