Bugfix: Layout: TypeHierarchy children layouts

[IoannisP-ITENG]

Bugfix: Layout: TypeHierarchy children layouts

Description

Properly apply child layouts
Add possibility for type tuple
Transformer: Fix layer fp placement
Example: Make pcb-layout simpler

Checklist

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• My PR title is following the contribution guidelines
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• I have added tests that prove my fix is effective or that my feature works (if applicable)
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