[BACKUP_RESTORE] Add docker + begin implement for nextcloud service

roles/volume_restore/files/Dockerfile

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+FROM alpine:latest
+
+RUN apk add --update --no-cache tar
+
+RUN mkdir -p /backup/dest
+
+CMD ["tar", "-xf", "/backup/archive.tar.gz", "--strip-components=1", "-C", "/backup/dest"]

roles/volume_restore/files/README.md

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+# HOW TO USE IT
+
+```
+docker run -v [PATH_TO_ARCHIVE]:/backup/archive.tar.gz -v [DIST_VOLUME]:/backup/dest volume_restore:latest
+```

roles/volume_restore/tasks/base.yml

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+---
+
+- name: Copy conf
+  ansible.builtin.copy:
+    backup: true
+    src: .
+    dest: volume_restore/
+  register: volume_restore_copy
+
+- name: Build image
+  community.docker.docker_image:
+    name: volume_restore
+    tag: latest
+    build:
+      path: volume_restore
+    source: build
+  become: yes
+  when: volume_restore_copy.changed

roles/volume_restore/tasks/main.yml

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+---
+
+- ansible.builtin.import_tasks: base.yml
+  name: base