feat: added random source customization

[fredbi]

This PR adds the ability to set custom random sources at the package level.

• fixes support custom random sources #138

Signed-off-by: Frederic BIDON fredbi@yahoo.com

[codecov]

Codecov Report

Merging #137 (321a335) into master (74585ae) will increase coverage by 0.06%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #137      +/-   ##
==========================================
+ Coverage   92.17%   92.23%   +0.06%     
==========================================
  Files          11       12       +1     
  Lines        1086     1095       +9     
==========================================
+ Hits         1001     1010       +9     
  Misses         46       46              
  Partials       39       39              

Impacted Files	Coverage Δ
address.go	100.00% <ø> (ø)
datetime.go	97.46% <ø> (ø)
internet.go	76.69% <ø> (ø)
lorem.go	100.00% <ø> (ø)
payment.go	100.00% <ø> (ø)
person.go	100.00% <ø> (ø)
phone.go	100.00% <ø> (ø)
price.go	100.00% <ø> (ø)
tag_argument_extractor.go	100.00% <ø> (ø)
faker.go	90.31% <100.00%> (+0.03%)	⬆️
... and 3 more

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