Update .gitignore and refactor Ubuntu template playbook to use role for Proxmox template management

ansible/roles/proxmox_provision/tasks/main.yml

@@ -0,0 +1,39 @@
+---
+- name: Provision VM from Template
+  community.general.proxmox_kvm:
+    api_host: "{{ proxmox_api_host }}"
+    api_user: "{{ proxmox_api_user }}"
+    api_password: "{{ proxmox_api_password }}"
+    # Use remote host verification if you have valid certs, else ignore
+    validate_certs: false
+    
+    node: "{{ proxmox_node }}"
+    vmid: "{{ vmid if vmid | int > 0 else omit }}"
+    name: "{{ vm_name }}"
+    
+    clone: "{{ template_name }}"
+    full: true # Full clone
+    
+    cores: "{{ vm_cores }}"
+    memory: "{{ vm_memory }}"
+    
+    storage: "{{ vm_storage }}"
+    net:
+      net0: "virtio,bridge={{ vm_net_bridge }}"
+      
+    # Cloud Init
+    ciuser: "{{ ci_user }}"
+    sshkeys: "{{ ssh_keys | join('\n') }}"
+    ipconfig:
+      ipconfig0: "ip=dhcp"
+      
+    state: "{{ vm_state }}"
+  register: vm_provision_result
+
+- name: Debug Provision Result
+  debug:
+    var: vm_provision_result
+
+# Note: Waiting for SSH requires knowing the IP.
+# If qemu-guest-agent is installed in the template, we can fetch it.
+# Otherwise, we might need a fixed IP or DNS check.