Scim2-models

--------------------
Added
^^^^^
- Dynamic pydantic model creation from SCIM schemas. 6

Changed
^^^^^^^
- Use a custom :data:`~scim2_models.Reference` type instead of :class:`~pydantic.AnyUrl` as RFC7643 reference type.

Fix
^^^
- Allow relative URLs in :data:`~scim2_models.Reference`.
- Models with multiples extensions could not be initialized. 37

--------------------
Added
^^^^^
- :attr:`~scim2_models.SearchRequest.count` value is floored to 1
- :attr:`~scim2_models.SearchRequest.start_index` value is floored to 0
- :attr:`~scim2_models.ListResponse.resources` must be set when :attr:`~scim2_models.ListResponse.totalResults` is non-null.

Fix
^^^
- Add missing default values. 33

--------------------
Added
^^^^^
- Implement :class:`~scim2_models.CaseExact` attributes annotations.
- Implement :class:`~scim2_models.Required` attributes annotations validation.

Changed
^^^^^^^
- Refactor :code:`get_field_mutability` and :code:`get_field_returability` in :code:`get_field_annotation`.

--------------------

Fix
^^^
- :class:`~scim2_models.Schema` is a :class:`~scim2_models.Resource`.

--------------------

Fix
^^^
- :code:`ServiceProviderConfiguration` `id` is optional.

--------------------

Changed
^^^^^^^
- Rename :code:`ServiceProviderConfiguration` to :code:`ServiceProviderConfig` to match the RFCs naming convention.