Move all provider registration to a separate interface

[snuyanzin]

The PR moves all provider registration methods to a separate interface IProviders (i'm not good with naming).
The idea here is that in future this interfaces could be splitted into separate module specific interfaces and all generic Faker will stay with Faker class

[codecov-commenter]

Codecov Report

Merging #365 (387a211) into main (b410621) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##               main     #365   +/-   ##
=========================================
  Coverage     94.75%   94.75%           
- Complexity     1945     1947    +2     
=========================================
  Files           204      205    +1     
  Lines          3887     3889    +2     
  Branches        385      385           
=========================================
+ Hits           3683     3685    +2     
  Misses          103      103           
  Partials        101      101           

Impacted Files	Coverage Δ
src/main/java/net/datafaker/Address.java	97.14% <ø> (ø)
src/main/java/net/datafaker/Faker.java	93.75% <100.00%> (-4.29%)	⬇️
src/main/java/net/datafaker/IProviders.java	100.00% <100.00%> (ø)

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