feat: add worker nodes to docker swarm setup

roles/docker/tasks/docker_alpine.yaml

@@ -0,0 +1,20 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/ansible/ansible-lint/refs/heads/main/src/ansiblelint/schemas/tasks.json
+---
+- name: Install Docker
+  ansible.builtin.package:
+    state: present
+    name:
+      - docker
+      - docker-cli-compose
+      - py3-yaml
+      - py3-pip
+      - py3-docker-py
+
+- name: Copy openrc.sh to /etc/init.d/docker
+  copy:
+    src: files/openrc.sh
+    dest: /etc/init.d/docker
+    mode: '0755'
+    owner: root
+    group: root
+