docs: update readme on map styles in Angular (#171)
docs: update readme on map styles in Angular (#171)

This updates the README file by adding more specific and detailed information about how to implement map styles in Angular.
dapriett/nativescript-google-maps-sdk,dapriett/nativescript-google-maps-sdk,dapriett/nativescript-google-maps-sdk,dapriett/nativescript-google-maps-sdk,dapriett/nativescript-google-maps-sdk