message: chore: disable miner systemd stderr log and tweak progress bar
diff: @@ -10,6 +10,7 @@ Group=ckb
  WorkingDirectory=/var/lib/ckb
  ExecStart=/usr/local/bin/ckb miner
  +StandardError=null
  Restart=on-abnormal
  KillMode=mixed
  TimeoutStopSec=5s
  