MassInstallAction: Install the CI workflow on this repository

[timholy]

This pull request sets up the CI workflow on this repository.

[codecov]

Codecov Report

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@@            Coverage Diff            @@
##             master      #13   +/-   ##
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  Coverage          ?   81.34%           
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  Files             ?        1           
  Lines             ?      134           
  Branches          ?        0           
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  Hits              ?      109           
  Misses            ?       25           
  Partials          ?        0           

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