Requesting Google and Apple sign in samples

[rishavs]

Is your feature request related to a problem? Please describe.
As someone new to oauth implementations, I am interested in adding a Google sign in widget to my crystal web-app. But as there are no provider specific sample, it is difficult for me to use Authly.

Describe the solution you'd like
A simple sample (perhaps in the readme itself) of what an Oauth2 implementation of Google sign in might look like if using Authly.

Describe alternatives you've considered
While there is a sample in Readme, it is very generic and as such hard for people new to oauth to use. Using Google sign as the example, will be far more useful as most people looking to do oauth will be interested in Google (or Apple, github, Fb etc as the providers)