Add Support for Nativescript lib

[Karamuto]

I'm submitting a

[ ] Bug / Regression
[x] Feature Request / Proposal
[ ] Question

Description

Nativescript is kinda like Ionic in a way that you can code a hybrid app for mutliple devices.

Since April/May 18 they fully support developement in Angular 6+, so I think the time is right to support this with this lib. A link to the UI components can be found here.

Greetings