chore: add stanatized variable files

roles/docker/vars/main.yml-template

@@ -0,0 +1,21 @@
+---
+# vars file for docker
+docker_edition: 'ce'
+docker_packages:
+  - "docker-{{ docker_edition }}"
+  - "docker-{{ docker_edition }}-cli"
+  - "docker-{{ docker_edition }}-rootless-extras"
+  - "containerd.io"
+  - "docker"
+  - "docker-compose-plugin"
+# Docker repo URL.
+docker_url: https://download.docker.com/linux
+docker_apt_repository: "deb [arch=amd64 signed-by=/etc/apt/trusted.gpg.d/docker.asc] {{docker_url}}/{{ ansible_distribution | lower}} {{ansible_distribution_release}} stable"
+docker_apt_ignore_key_error: true
+docker_apt_gpg_key: "{{ docker_url }}/{{ ansible_distribution | lower }}/gpg"
+docker_apt_gpg_key_checksum: "sha256:1500c1f56fa9e26b9b8f42452a553675796ade0807cdce11975eb98170b3a570"
+docker_apt_filename: "docker"
+# A list of users who will be added to the docker group.
+docker_users: [administrator] # CHANGE_ME!!! - Add addition users.
+# Docker daemon options as a dict
+docker_daemon_options: {}