Mouse support based on the new render method.

[laixintao]

No description provided.

[codecov-commenter]

Codecov Report

Merging #33 (02e52bd) into main (06dfa1c) will decrease coverage by 1.17%.
The diff coverage is 22.22%.

@@            Coverage Diff             @@
##             main      #33      +/-   ##
==========================================
- Coverage   69.43%   68.27%   -1.17%     
==========================================
  Files          13       13              
  Lines         795      810      +15     
==========================================
+ Hits          552      553       +1     
- Misses        243      257      +14     

Files	Coverage Δ
flameshow/render/app.py	47.14% <13.33%> (-0.72%)	⬇️
flameshow/render/flamegraph.py	42.03% <26.66%> (-2.05%)	⬇️

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