add cli app and fix relationship typos

python/qt/database/base.py

@@ -0,0 +1,18 @@
+from sqlalchemy.orm import DeclarativeBase, relationship, sessionmaker, declarative_base
+
+
+class Base(DeclarativeBase):
+    pass
+
+# class BaseModel:
+#
+#    @classmethod
+#    def model_lookup_by_table_name(cls, table_name):
+#        registry_instance = getattr(cls, "registry")
+#        for mapper_ in registry_instance.mappers:
+#            model = mapper_.class_
+#            model_class_name = model.__tablename__
+#            if model_class_name == table_name:
+#                return model
+
+# Base = declarative_base(cls=BaseModel)