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      #47   +/-   ##
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  Coverage          ?   96.85%           
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  Files             ?        6           
  Lines             ?      127           
  Branches          ?        0           
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  Hits              ?      123           
  Misses            ?        4           
  Partials          ?        0           

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