add scale configure

[whera]

No description provided.

[codecov-io]

Codecov Report

Merging #1 into master will not change coverage.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##              master        #1   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity        37        37           
===========================================
  Files              5         5           
  Lines             83        81    -2     
===========================================
- Hits              83        81    -2     

Impacted Files	Coverage Δ	Complexity Δ
src/Money.php	100.00% <100.00%> (ø)	18.00 <1.00> (ø)
src/Currency.php	100.00% <0.00%> (ø)	5.00% <0.00%> (ø%)
src/Percentage.php	100.00% <0.00%> (ø)	8.00% <0.00%> (ø%)

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