DNS related changes

- Added hostname provisioning
- Added nsswitch.conf provisioning
- Added systemd-resolved provisioning

tasks/setup.yml

@@ -1,12 +1,10 @@
-- name: Copy firewall template
+- name: Copy nsswitch file
   become: true
   ansible.builtin.template:
-    src: 'templates/nftables.j2'
-    dest: '/etc/nftables.conf'
-    owner: root
-    group: root
+    src: 'nsswitch.j2'
+    dest: '/etc/nsswitch.conf'
     mode: '0644'
-  notify: restart nftables
+    owner: root
 
 - name: Copy ssh template
   become: true