fix: taos-explorer 挂载 explorer-register.cfg，注册信息持久化

deploy/scripts/start-taos-explorer.sh

 IMAGE="docker.io/tdengine/tdengine:3.3.6.13"
 DATA_DIR="/mnt/taos-explorer-data"
 CFG_FILE="/mnt/iot-platform/config/explorer.toml"
+REGISTER_FILE="/mnt/iot-platform/config/explorer-register.cfg"
 
 echo "Starting ${CONTAINER_NAME}..."
 
     -p 127.0.0.1:6060:6060 \
     -v "${DATA_DIR}:/var/lib/taos" \
     -v "${CFG_FILE}:/etc/taos/explorer.toml:ro" \
+    -v "${REGISTER_FILE}:/etc/taos/explorer-register.cfg" \
     -e EXPLORER_SKIP_REGISTER=true \
     "${IMAGE}" \
     taos-explorer