feat: add restic role and pb

roles/restic/tasks/install.yml

@@ -0,0 +1,17 @@
+---
+
+- name: download restic
+  get_url:
+    url: "{{ restic_download_url }}"
+    dest: "/tmp"
+
+- name: uncompress restic
+  shell:
+    cmd: "bzip2 -dc /tmp/restic_{{ restic_version }}_{{ restic_system }}_{{ restic_architecture }}.bz2 > {{ restic_path }}"
+
+- name: check restic exe
+  file:
+    path: "{{ restic_path }}"
+    mode: 0755
+    owner: root
+    group: root