Improve dark mode and dynamic font support

[tschob]

Before

After

[codecov-io]

Codecov Report

Merging #14 (604f0b1) into main (3e479ac) will decrease coverage by 0.07%.
The diff coverage is 74.13%.

@@            Coverage Diff             @@
##             main      #14      +/-   ##
==========================================
- Coverage   77.96%   77.89%   -0.08%     
==========================================
  Files          62       62              
  Lines        1729     1782      +53     
==========================================
+ Hits         1348     1388      +40     
- Misses        381      394      +13     

Flag	Coverage Δ
QAMenu	77.89% <74.13%> (-0.08%)	⬇️
QAMenuUIKit	62.84% <74.13%> (+0.70%)	⬆️
QAMenuUtils	97.29% <ø> (ø)

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Impacted Files	Coverage Δ
...lper/UnsupportedItemView/UnsupportedItemView.swift	0.00% <0.00%> (ø)
.../ItemViews/ProgressItemView/ProgressItemView.swift	20.00% <50.00%> (+8.67%)	⬆️
...l/UI/ItemViews/ButtonItemView/ButtonItemView.swift	87.93% <86.66%> (-0.45%)	⬇️
...UI/ItemViews/BooleanItemView/BooleanItemView.swift	92.68% <87.50%> (-1.26%)	⬇️
...ickableStringItemView/PickableStringItemView.swift	36.73% <87.50%> (+8.16%)	⬆️
...l/UI/ItemViews/StringItemView/StringItemView.swift	91.73% <88.88%> (-0.30%)	⬇️
...ernal/UI/ItemViews/Base/FooterViewSupporting.swift	100.00% <100.00%> (ø)

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