feat: updating demo

[tlambert03]

No description provided.

[codecov]

Codecov Report

Merging #34 (dbce193) into main (169f637) will decrease coverage by 0.95%.
The diff coverage is 77.02%.

@@            Coverage Diff             @@
##             main      #34      +/-   ##
==========================================
- Coverage   98.63%   97.68%   -0.96%     
==========================================
  Files          31       31              
  Lines        1541     1599      +58     
==========================================
+ Hits         1520     1562      +42     
- Misses         21       37      +16     

Impacted Files	Coverage Δ
src/app_model/backends/qt/_qmenubar.py	0.00% <0.00%> (-66.67%)	⬇️
src/app_model/expressions/_context.py	100.00% <ø> (ø)
src/app_model/types/_command_rule.py	100.00% <ø> (ø)
src/app_model/types/_icon.py	100.00% <ø> (ø)
src/app_model/types/_menu_rule.py	97.82% <ø> (ø)
src/app_model/_app.py	97.56% <50.00%> (-2.44%)	⬇️
src/app_model/backends/qt/_qmainwindow.py	94.44% <87.50%> (+36.11%)	⬆️
src/app_model/backends/qt/_qmenu.py	94.84% <95.74%> (-0.07%)	⬇️
src/app_model/backends/qt/__init__.py	100.00% <100.00%> (ø)
src/app_model/backends/qt/_qaction.py	96.72% <100.00%> (+0.11%)	⬆️
... and 3 more

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