Deploy Archon Dataset Sync v2.1 with branch support\n\n- Add sync_dataset.sh with DATASET_BRANCH support\n- Add Flask monitoring dashboard (app.py)\n- Add Dockerfile for HF Space deployment\n- Add comprehensive documentation\n- Security hardening (upstream protection)\n- Auto-retry with exponential backoff\n- Health checks and graceful shutdown\n\nArchon Standard: Build for Eternity

initial commit