OIDC auth browser client : Replace Inrupt Solid client by Uvdsl

[bourgeoa]

https://github.com/uvdsl/solid-oidc-client-browser/
See https://matrix.to/#/!ogHmAuzhszmxlGQrVp:gitter.im/$eb2pZcOJjfFPzKh59VS4QMzgARVl843ouJXZDy885Lo?via=matrix.org&via=gitter.im&via=melvin.me
And security considérations.