Refactor files, move iptables role, update boostrap.sh

ansible/bootstrap.sh

ansible/main/base.yaml

ansible/main/tasks/docker.yaml

ansible/main/tasks/harbor.yaml

ansible/main/tasks/nginx.yaml

ansible/main/templates/etc/iptables/rules.v4.j2

ansible/main/templates/etc/iptables/rules.v6.j2

ansible/main/templates/etc/nginx/nginx.conf.j2

ansible/main/templates/etc/nginx/sites-enabled/http.j2

...ble/main/templates/etc/nginx/sites-enabled/letsencrypt.j2

...emplates/etc/systemd/system/harbor-docker-compose.service

ansible/main/templates/home/user/harbor/harbor.yml.j2

ansible/main/vars/harbor.yaml

ansible/main/vars/secret.yaml.example

ansible/requirements.galaxy.yaml

ansible/vars/base.yaml