[Relying-Party] Divide views in different files

[peppelinux]

here https://github.com/italia/spid-cie-oidc-django/blob/main/spid_cie_oidc/relying_party/views.py

as already made with the Provider, we need a views folder and views files with few lines of code

[francescatronconi]

Done here: https://github.com/italia/spid-cie-oidc-django/pull/173