[docker] Update descriptions of docker images

[lithorus]

Describe the enhancement
The description of the docker images should have the same as the pip packages.

[lithorus]

@DiegoTavares and @ramonfigueiredo
I don't think this can be done from the Docker images. It has to be done on the hub.docker.com repo by someone with access to it.
https://docs.docker.com/docker-hub/repos/manage/information/

[ramonfigueiredo]

@DiegoTavares and @ramonfigueiredo I don't think this can be done from the Docker images. It has to be done on the hub.docker.com repo by someone with access to it. https://docs.docker.com/docker-hub/repos/manage/information/

@DiegoTavares FYI...