roles/bitwarden_rs: Ensure docker service runs

Since the *bitwarden_rs* relies on Docker for distribution and process
management (at least for now), it needs to ensure that the `docker`
service starts automatically.

roles/bitwarden_rs/tasks/main.yml

@@ -12,6 +12,21 @@
   tags:
   - install
 
+- name: ensure docker service starts at boot
+  service:
+    name: docker
+    enabled: true
+  tags:
+  - service
+  - docker
+- name: ensure docker service is running
+  service:
+    name: docker
+    state: started
+  tags:
+  - service
+  - docker
+
 - name: ensure bitwarden_rs docker container is running
   docker_container:
     name: bitwarden
@@ -26,6 +41,8 @@
       ADMIN_TOKEN: '{{ bitwarden_admin_token|d(omit) }}'
       DOMAIN: '{{ bitwarden_domain|d(omit) }}'
       WEBSOCKET_ENABLED: 'true'
+  tags:
+  - docker
 
 - name: ensure apache is allowed to proxy
   seboolean: