feat: env INSTALL_LONGHORN

Add Ansible playbooks for Longhorn, MetalLB, and Traefik installation

conditional on presence of INSTALL_LONGHORN=true

vagrant/dev/ubuntu/ansible/install_traefik.yaml

@@ -0,0 +1,20 @@
+---
+- name: Install traefik using infctl
+  hosts: localhost
+  become: true
+  become_user: vagrant
+  serial: 1 # Ensure tasks are executed one host at a time
+  vars_files:
+    - vars.yaml
+
+  tasks:
+
+    - name: run infctl traefik pipeline
+      ansible.builtin.command: infctl -f pipelines/vagrant-ingress.json
+      args:
+        chdir: /home/vagrant
+      environment:
+        LOG_FILE: /tmp/traefik_log.txt
+        LOG_FORMAT: none
+      register: traefik_result
+      ignore_errors: false