refactor: reorganize proxmox roles, add hardware acceleration, and update common config tasks

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>

roles/common/tasks/sshd.yml

@@ -1,12 +1,24 @@
 ---
-- name: Copy sshd_config
+- name: Copy user sshd_config
   ansible.builtin.template:
-    src: templates/ssh/sshd_config
+    src: files/ssh/user/sshd_config
     dest: /etc/ssh/sshd_config
     mode: "644"
+    backup: true
   notify:
     - Restart sshd
   become: true
+  when: ansible_user_id != "root"
+
+- name: Copy root sshd_config
+  ansible.builtin.template:
+    src: files/ssh/root/sshd_config
+    dest: /etc/ssh/sshd_config
+    mode: "644"
+    backup: true
+  notify:
+    - Restart sshd
+  when: ansible_user_id == "root"
 
 - name: Copy pubkey
   ansible.builtin.copy: