fluxcd : adding repo example with some apps

fluxcd/repo/infrastructure/base/external-secrets/resources/registry-credentials.yaml

@@ -0,0 +1,31 @@
+apiVersion: external-secrets.io/v1beta1
+kind: ClusterExternalSecret
+metadata:
+  name: registry-credentials
+spec:
+  externalSecretName: "registry-credentials"
+  refreshTime: "1h"
+  namespaceSelector:
+    matchExpressions:
+      - key: kubernetes.io/metadata.name
+        operator: In
+        values:
+          - system
+          - flux-system
+          - namespace1
+  externalSecretSpec:
+    secretStoreRef:
+      name: vault-secret-store
+      kind: ClusterSecretStore
+    refreshInterval: "1h"
+    target:
+      name: registry-credentials
+      deletionPolicy: Retain
+      template:
+        type: kubernetes.io/dockerconfigjson
+        data:
+          .dockerconfigjson: "{{ .auths }}"
+    data:
+      - secretKey: auths
+        remoteRef:
+          key: kubernetes-secrets/registry-credentials