feat(schema): Add virtuoso_url and virtuoso_user to schema

cubicweb_rodolf/schema.py

@@ -28,7 +28,9 @@
 
 class ImportProcedure(EntityType):
     name = String()
-    sparql_endpoint = String(required=True)
+    virtuoso_url = String(required=True)
+    virtuoso_user = String(required=True, default="dba")
+    virtuoso_password = String(required=True)
     ontology_file = SubjectRelation("File", cardinality="??", inlined=True)
     shacl_files = SubjectRelation("File", cardinality="**")
     import_recipes = SubjectRelation("ImportRecipe", cardinality="*?")