internationalization 1.2.0

A project to easily implement internationalization on flutter projects

[1.2.0] (Agust 16, 2019)

• Removed need to pass country code

[1.1.0+1] (Agust 16, 2019)

• README example for named interpolation

[1.1.0] (Agust 16, 2019)

• Added suport for named interpolation

[1.0.1] (Agust 6, 2019)

• Null safety for locales

[1.0.0+1] (July 27, 2019)

• Refactor code

[1.0.0] (July 25, 2019)

• Initial release