refactor

services/__init__.py

@@ -1,6 +1,10 @@
 from .render_service import RenderService, DefaultRenderService
 from .task_service import TaskService, DefaultTaskService
 from .template_service import TemplateService, DefaultTemplateService
+from .service_container import (
+    ServiceContainer, get_container, register_default_services,
+    get_render_service, get_template_service, get_task_service
+)
 
 __all__ = [
     'RenderService',
@@ -8,5 +12,11 @@ __all__ = [
     'TaskService', 
     'DefaultTaskService',
     'TemplateService',
-    'DefaultTemplateService'
+    'DefaultTemplateService',
+    'ServiceContainer',
+    'get_container',
+    'register_default_services',
+    'get_render_service',
+    'get_template_service',
+    'get_task_service'
 ]