add G_docker assignment

G_docker/README.md

G_docker/alpine-python-sshd/Dockerfile

G_docker/alpine-python-sshd/entrypoint.sh

G_docker/alpine-sshd/Dockerfile

G_docker/alpine-sshd/README.md

G_docker/alpine-sshd/docker-compose.yaml

G_docker/alpine-sshd/entrypoint.sh

G_docker/alpine-sshd/install_script.sh

G_docker/jupyter/README.md

G_docker/jupyter/configure_environment.sh

G_docker/jupyter/docker-compose.yml

G_docker/jupyter/generate_token.py

G_docker/jupyter/jupyter.pem

README.md

markup/img/G_docker_img01.png

markup/img/G_docker_img02.png

markup/img/G_docker_img03.png