chore(cleanup): remove obsolete scripts and update paths for production deployment

- Remove dev/scripts/check-file-organization.sh (obsolete organization checker)
- Remove dev/scripts/community_onboarding.py (unused 559-line automation script)
- Update gpu_miner_host.py log path from /home/oib/windsurf/aitbc to /opt/aitbc
- Add service status and standardization badges to README.md

systemd/aitbc-blockchain-rpc.service

@@ -0,0 +1,17 @@
+[Unit]
+Description=AITBC Blockchain RPC API
+After=network.target aitbc-blockchain-node.service
+
+[Service]
+Type=simple
+User=aitbc
+WorkingDirectory=/opt/aitbc/apps/blockchain-node
+Environment=PYTHONPATH=/opt/aitbc/apps/blockchain-node/src:/opt/aitbc/apps/blockchain-node/scripts
+ExecStart=/opt/aitbc/apps/blockchain-node/.venv/bin/python -m uvicorn aitbc_chain.app:app --host 0.0.0.0 --port 9080 --log-level info
+Restart=always
+RestartSec=5
+StandardOutput=journal
+StandardError=journal
+
+[Install]
+WantedBy=multi-user.target