Update FormatterProvider interface
#58 - Add unit tests
draft
#57 - Implements file extension formatter selecting in formatter provider
#57 - Hydrator can select formatter depending on target file extension
#61 - Refactor ProfileReader : extract formatter provider responsibility
#61 - Enhance unit tests
Merge pull request #62 from Niktux/57-formatter-per-extension

Closes #57 - Allow having different default formatters relying on file extension