Setup GitHub Workflows linter and yaml-reformatter

[asvetlov]

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[codecov-commenter]

Codecov Report

Merging #253 (9426362) into master (d28b826) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #253   +/-   ##
=======================================
  Coverage   92.79%   92.79%           
=======================================
  Files           3        3           
  Lines         222      222           
  Branches       31       31           
=======================================
  Hits          206      206           
  Misses         10       10           
  Partials        6        6           

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