fix(database): add __init__.py for database module

.gitignore

@@ -166,4 +166,5 @@ cython_debug/
 .DS_Store
 logs/
 __*.py
+!__init__.py
 models/

src/database/__init__.py

@@ -0,0 +1,39 @@
+from configs.database_config import DatabaseConfig
+
+from .connections import DatabaseConnection
+from .dependencies import get_repository
+from .exceptions import (
+    ConnectionError,
+    DatabaseError,
+    DocumentError,
+    DocumentNotFoundError,
+    DocumentSaveError,
+    DocumentUpdateError,
+)
+from .models import Base, Document
+from .repository import DocumentRepository
+from .schemas import (
+    DocumentBase,
+    DocumentCreate,
+    DocumentResponse,
+    DocumentUpdate,
+)
+
+__all__ = [
+    "DatabaseConfig",
+    "DatabaseConnection",
+    "DatabaseError",
+    "ConnectionError",
+    "DocumentError",
+    "DocumentNotFoundError",
+    "DocumentSaveError",
+    "DocumentUpdateError",
+    "Base",
+    "Document",
+    "DocumentRepository",
+    "DocumentBase",
+    "DocumentCreate",
+    "DocumentUpdate",
+    "DocumentResponse",
+    "get_repository",
+]