FindShoulderMarkers
This MR adds a method to detect the shoulder orientation by detection of colored markers on each shoulder (color coding whether it is the left or right shoulder)
Reviewer Checklist
General code quality
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naming conventions are met (see .clang-tidy for detailed information) -
no static analyzer warnings in new code parts (e.g., use clang-tidy for checking)
General usability
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old versions of pet-files are still loadable -
documentation updated (if applicable)
Only if changes in UI
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new elements are also saved and loaded from pet-file -
check if tab order is still correct -
all new SpinBoxes are promoted -
new keybindings added to Petrack::keyBindings()
Closes #62