第二期挖矿安装包 ckb_v0.13.0 国内镜像资源，感谢贡献者：@Orange
Mac：https://nervos.oss-cn-beijing.aliyuncs.com/ckb_v0.13.0_x86_64-apple-darwin.zip
Linux：https://nervos.oss-cn-beijing.aliyuncs.com/ckb_v0.13.0_x86_64-unknown-linux-gnu.tar.gz
Linux-Centos：https://nervos.oss-cn-beijing.aliyuncs.com/ckb_v0.13.0_x86_64-unknown-centos-gnu.tar.gz
ckb包获取指令：
Mac：wegt https://nervos.oss-cn-beijing.aliyuncs.com/ckb_v0.13.0_x86_64-apple-darwin.zip
Linux：wget https://nervos.oss-cn-beijing.aliyuncs.com/ckb_v0.13.0_x86_64-unknown-linux-gnu.tar.gz
Linux-Centos：wget https://nervos.oss-cn-beijing.aliyuncs.com/ckb_v0.13.0_x86_64-unknown-centos-gnu.tar.gz