add: demo server and client

demo_server/.openapi-generator/FILES

@@ -0,0 +1,32 @@
+.dockerignore
+.gitignore
+.travis.yml
+Dockerfile
+README.md
+git_push.sh
+openapi_server/__init__.py
+openapi_server/__main__.py
+openapi_server/controllers/__init__.py
+openapi_server/controllers/peer_net_service_controller.py
+openapi_server/controllers/security_controller.py
+openapi_server/encoder.py
+openapi_server/models/__init__.py
+openapi_server/models/base_model.py
+openapi_server/models/claim_ice_candidates_response.py
+openapi_server/models/google_protobuf_any.py
+openapi_server/models/ice_candidate.py
+openapi_server/models/ice_session_description.py
+openapi_server/models/knock.py
+openapi_server/models/list_knocks_response.py
+openapi_server/models/room.py
+openapi_server/models/server.py
+openapi_server/models/service.py
+openapi_server/models/status.py
+openapi_server/openapi/openapi.yaml
+openapi_server/test/__init__.py
+openapi_server/typing_utils.py
+openapi_server/util.py
+requirements.txt
+setup.py
+test-requirements.txt
+tox.ini

demo_server/.openapi-generator/VERSION

@@ -0,0 +1 @@
+7.4.0