feat: add traefik role

ansible/roles/kubernetes_traefik/tasks/main.yaml

@@ -0,0 +1,20 @@
+- name: Install Gateway API CRDs
+  kubernetes.core.k8s:
+    src: https://github.com/kubernetes-sigs/gateway-api/releases/latest/download/standard-install.yaml
+    state: present
+  run_once: true
+
+- name: Ensure Traefik repository exists
+  kubernetes.core.helm_repository:
+    name: traefik
+    url: https://traefik.github.io/charts
+
+- name: Ensure Traefik is installed
+  kubernetes.core.helm:
+    release_name: traefik
+    release_namespace: traefik
+    chart_ref: traefik/traefik
+    chart_version: "{{ traefik_chart_version }}"
+    create_namespace: true
+    values: "{{ traefik_values }}"
+  run_once: true