Krystof Celba

Add support for google maps styles

1

Add possibility to set map style using JSON formatted string documented [here](https://developers.google.com/maps/documentation/javascript/styling). Addresses #161 #124 Example: ```python import gmaps gmaps.configure(api_key="AI...g") fig = gmaps.figure(styles='''[{ "featureType": "road", "elementType": "geometry", "stylers": [ {...

fix: make mapboxMap property optional in map view accessor

5

## Description Hi, I have recently encoutered this crash caused by some race condition when the JS code wants to access the zoom but the mapboxMap is not initialized yet....