2023-05-27 | Document Use of OAuth2 Clients...* docs/authentication_and_authorisation/oauth2_clients.md: New documentation
* gn3/auth/authentication/oauth2/server.py: Raise appropriate error if no
client is found.
* gn3/auth/authentication/oauth2/views.py: Handle exception in the case where
a UI should be presented to the user, rather than presenting the raw JSON
response to the user.
* gn3/errors.py: Handle any authlib OAuth2Error at the application's top-level
* gn3/templates/oauth2/oauth2_error.html: Handle any authlib OAuth2Error at
the application's top-level
| Frederick Muriuki Muriithi |