feat(kubernetes): add initial setup for ArgoCD, Cert-Manager, MetalLB, and Traefik

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>

roles/kubernetes_traefik/templates/helmchartconfig.yaml.j2

@@ -0,0 +1,15 @@
+---
+apiVersion: helm.cattle.io/v1
+kind: HelmChartConfig
+metadata:
+  name: traefik
+  namespace: kube-system
+spec:
+  valuesContent: |-
+    dashboard:
+      enabled: true
+      ingressRoute: false
+    ports:
+      websecure:
+        tls:
+          enabled: true