Add nerdctl cli tool for containerd user (#7500)

* Add nerdctl cli tool for containerd user

* Add nerdctl enable option

* Add nerdctl enable option and update nerdctl version to 0.8.0

roles/container-engine/nerdctl/handlers/main.yml

@@ -0,0 +1,12 @@
+---
+- name: Get nerdctl completion
+  command: "{{ bin_dir }}/nerdctl completion bash"
+  changed_when: False
+  register: nerdctl_completion
+  check_mode: false
+
+- name: Install nerdctl completion
+  copy:
+    dest: /etc/bash_completion.d/nerdctl
+    content: "{{ nerdctl_completion.stdout }}"
+    mode: 0644

roles/container-engine/nerdctl/tasks/main.yml

@@ -0,0 +1,15 @@
+---
+- name: nerdctl | Download nerdctl
+  include_tasks: "../../../download/tasks/download_file.yml"
+  vars:
+    download: "{{ download_defaults | combine(downloads.nerdctl) }}"
+
+- name: nerdctl | Copy nerdctl binary from download dir
+  copy:
+    src: "{{ local_release_dir }}/nerdctl"
+    dest: "{{ bin_dir }}/nerdctl"
+    mode: 0755
+    remote_src: true
+  notify:
+    - Get nerdctl completion
+    - Install nerdctl completion