Added building Ubuntu 20.04 template

ansible/roles/os-linux-prep-templ/tasks/ipv6-disable.yml

@@ -0,0 +1,12 @@
+---
+
+- name: Disable IPv6
+  block:
+  - name: Add to /etc/default/grub option ipv6.disable=1
+    ansible.builtin.lineinfile:
+      path: /etc/default/grub
+      regexp: '^GRUB_CMDLINE_LINUX="'
+      line: GRUB_CMDLINE_LINUX="ipv6.disable=1"
+    notify:
+      - Update config grub on Debian like
+  when: ansible_os_family == "Debian"