added template for credentials

chart/keel/values.yaml

@@ -101,4 +101,16 @@ resources:
 nodeSelector: {}
 
 # json of service account
-# googleApplicationCredentials:
+# googleApplicationCredentials: |-
+#   {
+#     "type": 
+#     "project_id"
+#     "private_key_id": 
+#     "private_key": 
+#     "client_email": 
+#     "client_id": 
+#     "auth_uri": 
+#     "token_uri": 
+#     "auth_provider_x509_cert_url": 
+#     "client_x509_cert_url": 
+#   }