feat: add sudo pkg by default

roles/system/tasks/main.yml

@@ -4,6 +4,7 @@
 - include_tasks: localtime.yml
 - include_tasks: locales.yml
 - include_tasks: ping.yml
+- include_tasks: sudo.yml
 - include_tasks: telnet.yml
 - include_tasks: tmux.yml
 - include_tasks: bashrc.yml

roles/system/tasks/sudo.yml

@@ -0,0 +1,6 @@
+---
+
+- name: install sudo utility
+  package:
+    name: sudo
+    state: present