Setup automated release

[thymikee]

Linaria recently adopted release-it: callstack/linaria#241
We should explore this too :)

[thymikee]

@satya164 let me know if it works well for you.

[satya164]

I've used it in paper. Works great!

One issue I faced was that npm publish was failing, but this fixed it: callstack/react-native-paper@1cf7ae9

Check the releases: https://github.com/callstack/react-native-paper/releases

[thymikee]

Awesome, thanks!