refactor(skills): reorganize imports and improve code formatting

backend/app/main.py

@@ -24,8 +24,8 @@ from app.api.gateway import router as gateway_router
 from app.api.gateways import router as gateways_router
 from app.api.metrics import router as metrics_router
 from app.api.organizations import router as organizations_router
-from app.api.souls_directory import router as souls_directory_router
 from app.api.skills_marketplace import router as skills_marketplace_router
+from app.api.souls_directory import router as souls_directory_router
 from app.api.tags import router as tags_router
 from app.api.task_custom_fields import router as task_custom_fields_router
 from app.api.tasks import router as tasks_router