feat: add Doris Barbell v1 scaffold

home/doris-barbell/app/config.py

@@ -0,0 +1,12 @@
+from __future__ import annotations
+
+import os
+from dataclasses import dataclass
+from pathlib import Path
+
+
+@dataclass(slots=True)
+class Settings:
+    app_name: str = 'Doris Barbell'
+    default_state_dir: Path = Path(os.environ.get('BARBELL_STATE_DIR', '/tmp/doris-barbell-state'))
+