Create nl-NL.json (#1304)
Create nl-NL.json (#1304)

Dutch translation file
MarshallOfSound/Google-Play-Music-Desktop-Player-UNOFFICIAL-,n4k1/Google-Play-Music-Desktop-Player-UNOFFICIAL-,n4k1/Google-Play-Music-Desktop-Player-UNOFFICIAL-,MarshallOfSound/Google-Play-Music-Desktop-Player-UNOFFICIAL-,petuhovskiy/Google-Play-Music-Desktop-Player-UNOFFICIAL-,n4k1/Google-Play-Music-Desktop-Player-UNOFFICIAL-,petuhovskiy/Google-Play-Music-Desktop-Player-UNOFFICIAL-,petuhovskiy/Google-Play-Music-Desktop-Player-UNOFFICIAL-,MarshallOfSound/Google-Play-Music-Desktop-Player-UNOFFICIAL-