feat: publish CodexPi contest snapshot

scripts/codexpi-gitea-askpass

@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import os
+import sys
+from pathlib import Path
+
+from codexpi.gitea_service import askpass_value
+
+
+data_dir = Path(os.getenv("CODEXPI_GITEA_DATA_DIR", "/app/data"))
+prompt = sys.argv[1] if len(sys.argv) > 1 else ""
+print(askpass_value(data_dir, prompt))