add Esc key to exiting the information screen.

[laixintao]

No description provided.

[codecov-commenter]

Codecov Report

Merging #61 (aa8724d) into main (24cfb5f) will decrease coverage by 0.43%.
The diff coverage is 61.53%.

@@            Coverage Diff             @@
##             main      #61      +/-   ##
==========================================
- Coverage   96.12%   95.69%   -0.43%     
==========================================
  Files          15       15              
  Lines        1033     1046      +13     
==========================================
+ Hits          993     1001       +8     
- Misses         40       45       +5     

Files	Coverage Δ
flameshow/render/framedetail.py	89.79% <85.71%> (-0.13%)	⬇️
flameshow/render/app.py	87.50% <33.33%> (-2.86%)	⬇️

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