OpenClaw node scripts

Files:
- /node-abuse-hardening.sh
- /node-abuse-hardening.sh.sha256

Recommended usage:
  curl -fsSL https://jb1.43qin.top/node-abuse-hardening.sh -o /root/node-abuse-hardening.sh
  curl -fsSL https://jb1.43qin.top/node-abuse-hardening.sh.sha256 -o /root/node-abuse-hardening.sh.sha256
  cd /root && sha256sum -c node-abuse-hardening.sh.sha256
  bash /root/node-abuse-hardening.sh --restart-docker

Dry-run:
  bash /root/node-abuse-hardening.sh --dry-run