Add CI workflow

[timleavitt]

No description provided.

[codecov]

Codecov Report

Merging #9 (e9d090f) into master (4fdc749) will decrease coverage by 0.30%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master       #9      +/-   ##
==========================================
- Coverage   31.23%   30.93%   -0.31%     
==========================================
  Files          15       15              
  Lines        1998     1998              
==========================================
- Hits          624      618       -6     
- Misses       1374     1380       +6     

Impacted Files	Coverage Δ
cls/TestCoverage/Manager.cls	8.64% <0.00%> (-1.73%)	⬇️

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[isc-pbarton]

looks good to me!