add ruff format, ruff check, time_picker, project structure and imports reorganized

__init__.py

@@ -1 +1,13 @@
-from .main import QBotApp as QBotApp, Config as Config
+from .main import QBotApp as QBotApp, Config as Config
+from .router import Router as Router
+from .model.bot_entity import BotEntity as BotEntity
+from .model.bot_enum import BotEnum as BotEnum, EnumMember as EnumMember
+from .model.descriptors import (
+    Entity as Entity,
+    EntityField as EntityField,
+    EntityForm as EntityForm,
+    EntityList as EntityList,
+    EntityPermission as EntityPermission,
+    Command as Command,
+    CommandCallbackContext as CommandCallbackContext,
+)