feat: fix missing schemas strings

pydantic_scim2/resource_type.py

@@ -30,6 +30,8 @@ class SchemaExtension(SCIM2Model):
 class ResourceType(Resource):
     model_config = ConfigDict(extra="allow")
 
+    schemas: List[str] = ["urn:ietf:params:scim:schemas:core:2.0:ResourceType"]
+
     # Each SCIM resource (Users, Groups, etc.) includes the following
     # common attributes.  With the exception of the "ServiceProviderConfig"
     # and "ResourceType" server discovery endpoints and their associated

pydantic_scim2/schema.py

@@ -84,6 +84,8 @@ class Type(str, Enum):
 
 
 class Schema(SCIM2Model):
+    schemas: List[str] = ["urn:ietf:params:scim:schemas:core:2.0:Schema"]
+
     id: str
     """The unique URI of the schema."""
 

pydantic_scim2/service_provider.py

@@ -89,6 +89,8 @@ class ServiceProviderConfiguration(Resource):
     # resources, these attributes MUST be defined for all resources,
     # including any extended resource types.
 
+    schemas: List[str] = ["urn:ietf:params:scim:schemas:core:2.0:ServiceProviderConfig"]
+
     id: Optional[str] = None
     """A unique identifier for a SCIM resource as defined by the service
     provider.