Update documentation (#12362)
Update documentation (#12362)

* Update documentation

Update documentation due to changes in https://github.com/docker/getting-started/pull/104

* fix(dockerfile): made one file content
docker/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io