refactor(k3s): enhance cluster setup and enable ArgoCD apps

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

roles/kubernets_argo_apps/templates/argo-app.yaml.j2

@@ -0,0 +1,24 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: {{ app.name }}
+  namespace: argocd
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+  source:
+    repoURL: {{ argocd_apps_repo_url }}
+    targetRevision: {{ argocd_apps_target_revision | default("HEAD") }}
+    path: argocd/{{ app.name }}
+    directory:
+      recurse: true
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: {{ argocd_apps_target_namespace | default(app.name) }}
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true