feat ✨: Added new feature to generate Debian VM templates and deploy clones

This commit introduces a new feature that allows users to create Debian VM templates and deploy clones. The feature includes options for customizing the template, such as making it a template or creating clones from it.

templates/cloudinit_vendor.yaml.j2

@@ -0,0 +1,14 @@
+#cloud-config
+packages:
+{% for pkg in packages %}
+  - {{ pkg }}
+{% endfor %}
+
+{% if dns %}
+manage_resolve_conf: true
+resolv_conf:
+  nameservers:
+  {% for ns in dns %}
+    - {{ ns }}
+  {% endfor %}
+{% endif %}