Add Card resource

[chasleslr]

No description provided.

[codecov]

Codecov Report

Merging #21 (4c236b4) into develop (5ff6d0f) will increase coverage by 0.13%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           develop      #21      +/-   ##
===========================================
+ Coverage    98.35%   98.48%   +0.13%     
===========================================
  Files           27       29       +2     
  Lines         1096     1191      +95     
===========================================
+ Hits          1078     1173      +95     
  Misses          18       18              

Impacted Files	Coverage Δ
src/metabase/__init__.py	100.00% <100.00%> (ø)
src/metabase/exceptions.py	100.00% <100.00%> (ø)
src/metabase/metabase.py	95.74% <100.00%> (+0.29%)	⬆️
src/metabase/resource.py	96.29% <100.00%> (ø)
src/metabase/resources/card.py	100.00% <100.00%> (ø)
tests/resources/test_card.py	100.00% <100.00%> (ø)
tests/test_metabase.py	100.00% <100.00%> (ø)

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