fix(geolocation-permission): expose method to toggle useDeviceLocation

[JonathanMontane]

Summary

Google recommends not to ask for geolocation permission on page load but on user input.

This means that we need to have a way to modify the useDeviceLocation parameter outside of the instantiation step so that we can set it to true on user inputs.

Result

• expose a setUseDeviceLocation in places that allows you to modify the useDeviceLocation code after instantiation.

On page load (tracking icon is not showing):

On pin click:

After pin click (tracking icon is showing):

[raphi]

LGTM however the Netlify demo is broken, can you check it out?
Also, it would be good to add in a few examples the option useDeviceLocation and explain that it highly increase the relevancy of search.