feat: add root-app for au-syd1 (#1)

enable argocd to self-deploy using the app of apps method

- add root-application deployed from bootstrap process

Reviewed-on: #1

clusters/au-syd1/bootstrap/au-syd1-apps.yaml

@@ -0,0 +1,19 @@
+---
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: au-syd1-apps
+  namespace: argocd
+spec:
+  project: default
+  source:
+    repoURL: https://git.unkin.net/unkin/argocd-apps
+    targetRevision: HEAD
+    path: clusters/au-syd1/apps
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: argocd
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true

clusters/au-syd1/bootstrap/kustomization.yaml

@@ -4,3 +4,4 @@ kind: Kustomization
 
 resources:
   - https://artifactapi.k8s.syd1.au.unkin.net/api/v1/remote/github_raw/argoproj/argo-cd/refs/tags/v3.3.2/manifests/ha/install.yaml
+  - au-syd1-apps.yaml