feat(airbyte): move airbyte module to custom-example

custom-example/airbyte/airbyte-oauth-external-secret.gomplate.yaml

@@ -0,0 +1,22 @@
+apiVersion: external-secrets.io/v1
+kind: ExternalSecret
+metadata:
+  name: airbyte-oauth-external-secret
+  namespace: {{ .Env.AIRBYTE_NAMESPACE }}
+spec:
+  refreshInterval: 1h
+  secretStoreRef:
+    name: vault-secret-store
+    kind: ClusterSecretStore
+  target:
+    name: airbyte-oauth-secret
+    creationPolicy: Owner
+    template:
+      type: Opaque
+      data:
+        client_id: "{{ `{{ .client_id }}` }}"
+  data:
+    - secretKey: client_id
+      remoteRef:
+        key: airbyte/oauth
+        property: client_id