feat: support Auth0 OAuth2

[dpgaspar]

Description

Supports Auth0 OAuth provider

Advised config:

OAUTH_PROVIDERS = [
    {
        "name": "auth0",
        "icon": "fa-shield-halved",
        "token_key": "access_token",
        "remote_app": {
            "client_id": os.environ.get("AUTH0_KEY"),
            "client_secret": os.environ.get("AUTH0_SECRET"),
            "api_base_url": f"https://{os.environ.get('AUTH0_DOMAIN')}/oauth2/v1/",
            "client_kwargs": {"scope": "openid profile email groups"},
            "access_token_url": f"https://{os.environ.get('AUTH0_DOMAIN')}/oauth/token",
            "authorize_url": f"https://{os.environ.get('AUTH0_DOMAIN')}/authorize",
            "server_metadata_url": f"https://{os.environ.get('AUTH0_DOMAIN')}/"
                                   f".well-known/openid-configuration",
        },
    }
]

ADDITIONAL INFORMATION

• Has associated issue:
• Is CRUD MVC related.
• Is Auth, RBAC security related.
• Changes the security db schema.
• Introduces new feature
• Removes existing feature

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ba63c5c) 79.30% compared to head (6036c23) 79.31%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2171   +/-   ##
=======================================
  Coverage   79.30%   79.31%           
=======================================
  Files          72       72           
  Lines        8970     8974    +4     
=======================================
+ Hits         7114     7118    +4     
  Misses       1856     1856           

Flag	Coverage Δ
python	79.31% <100.00%> (+<0.01%)	⬆️

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