added new playbooks and tasks

roles/proxmox-automation/tasks/create-snapshots.yaml

@@ -0,0 +1,11 @@
+- name: Create new snapshot and keep only the 2 newest snapshots
+  community.proxmox.proxmox_snap:
+    api_host: "{{ proxmox_host }}"
+    api_user: "{{ proxmox_user }}"
+    api_token_id: "{{ proxmox_token_id }}"
+    api_token_secret: "{{ proxmox_token_secret }}"
+    vmid: "{{ vmid }}"
+    state: present
+    snapname: "{{ snapshot_name | default('before_update') }}"
+    retention: 2
+  delegate_to: localhost