openidconnect

Describe the bug
If the environment (in my case the stage environment) is not setup as a a secure origin the library break up cause of the crypto library is not in window object

To Reproduce
Steps to reproduce the behavior:

1. A server work on http that is setup as 'insecure origin'
2. Start the login sequence

Expected behavior
Warning on library loading that check secure or

As seen in Intility/fastapi-azure-auth#47 (comment) and multiple times in django-auth-adfs over the years, there is a need to document how to programmatically fetch tokens through Python.