feat(secrets): Implement auto secret synchronization

manifests/kustomization.yaml

@@ -3,6 +3,7 @@ kind: Kustomization
 
 resources:
   - namespace.yaml
+  - secrets.yaml
   - database.yaml
   - service.yaml
   - servicemonitor.yaml

manifests/secrets.yaml

@@ -0,0 +1,24 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: gitea-secrets
+  namespace: argocd
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+  source:
+    repoURL: https://git.halis.io/athens-school/k3s-secrets.git
+    targetRevision: dev
+    path: gitea
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=false
+      - ApplyOutOfSyncOnly=true
+      - PruneLast=true
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: gitea