add: demo server and client

demo_server/demo_client/docs/GoogleProtobufAny.md

@@ -0,0 +1,30 @@
+# GoogleProtobufAny
+
+Contains an arbitrary serialized message along with a @type that describes the type of the serialized message.
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**type** | **str** | The type of the serialized message. | [optional] 
+
+## Example
+
+```python
+from openapi_client.models.google_protobuf_any import GoogleProtobufAny
+
+# TODO update the JSON string below
+json = "{}"
+# create an instance of GoogleProtobufAny from a JSON string
+google_protobuf_any_instance = GoogleProtobufAny.from_json(json)
+# print the JSON string representation of the object
+print(GoogleProtobufAny.to_json())
+
+# convert the object into a dict
+google_protobuf_any_dict = google_protobuf_any_instance.to_dict()
+# create an instance of GoogleProtobufAny from a dict
+google_protobuf_any_form_dict = google_protobuf_any.from_dict(google_protobuf_any_dict)
+```
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+