Add a configuration loader class

[villfa]

No description provided.

[codecov]

Codecov Report

Merging #295 (db62050) into master (7080ffa) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #295      +/-   ##
============================================
+ Coverage     97.44%   97.46%   +0.01%     
  Complexity        1        1              
============================================
  Files            27       28       +1     
  Lines           509      512       +3     
============================================
+ Hits            496      499       +3     
  Misses           13       13              

Impacted Files	Coverage Δ	Complexity Δ
src/Command/RunCommand.php	91.52% <100.00%> (-0.67%)	0.00 <0.00> (ø)
src/Configuration/Loader.php	100.00% <100.00%> (ø)	0.00 <0.00> (?)

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