Configure Github Actions. Add code coverage.

[ChadSikorra]

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[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@51441af). Click here to learn what that means.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master       #1   +/-   ##
=========================================
  Coverage          ?   65.53%           
  Complexity        ?       83           
=========================================
  Files             ?        6           
  Lines             ?      206           
  Branches          ?        0           
=========================================
  Hits              ?      135           
  Misses            ?       71           
  Partials          ?        0

Impacted Files	Coverage Δ	Complexity Δ
src/FreeDSx/Socket/Socket.php	64.44% <100%> (ø)	29 <0> (?)

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