Implement sign-in using the `user-service`. This depends on #52 and #9 being completed. I believe we should use the [authorization code flow ](https://auth0.com/docs/get-started/authentication-and-authorization-flow/authorization-code-flow)for this as implicit is [frowned upon these days](https://auth0.com/docs/authenticate/login/oidc-conformant-authentication/oidc-adoption-implicit-flow), which will require the web backend to hold a secret.
Implement sign-in using the
user-service. This depends on #52 and #9 being completed.I believe we should use the authorization code flow for this as implicit is frowned upon these days, which will require the web backend to hold a secret.