Pre-release v0.0.5; packer templates for v0.1.0 are there

The required packer templates for the release v0.1.0 are all set, but the docker image published to github packages can't be docker pulled. I will consider publishing the docker container image into the docker hub after 07/10/2010.

.
├── centos
│   └── 7
│       ├── base
│       └── docker
└── ubuntu
    ├── bionic
    │   ├── base
    │   └── docker
    ├── focal
    └── xenial