feat: add postgres storage and remote sync

scripts/env_loader.py

@@ -0,0 +1,11 @@
+from pathlib import Path
+
+from dotenv import load_dotenv
+
+
+def load_env():
+    base_dir = Path(__file__).resolve().parents[1]
+    dotenv_path = base_dir / ".env"
+    if dotenv_path.exists():
+        load_dotenv(dotenv_path)
+