example data part 1 - cache html files

[wimglenn]

No description provided.

[codecov]

Codecov Report

Merging #114 (d79c468) into main (2f1203e) will increase coverage by 0.08%.
The diff coverage is 96.00%.

@@            Coverage Diff             @@
##             main     #114      +/-   ##
==========================================
+ Coverage   92.90%   92.98%   +0.08%     
==========================================
  Files          22       22              
  Lines        2099     2138      +39     
  Branches      262      275      +13     
==========================================
+ Hits         1950     1988      +38     
+ Misses        119      116       -3     
- Partials       30       34       +4     

Impacted Files	Coverage Δ
aocd/post.py	100.00% <ø> (ø)
aocd/models.py	93.90% <92.64%> (-0.05%)	⬇️
tests/test_models.py	100.00% <100.00%> (ø)
tests/test_runner.py	91.97% <100.00%> (ø)
tests/test_submit.py	100.00% <100.00%> (ø)

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