add demo.py for all kws models (#2107)

sugarcase

2024-09-25 8cd8e25f180b57c74f1ae7fd39001e5af4c20f8b

 runtime/websocket/bin/websocket-server.h

@@ -124,7 +124,7 @@
                  std::string wav_format,
                  FUNASR_DEC_HANDLE& decoder_handle);

  void initAsr(std::map<std::string, std::string>& model_path, int thread_num);
  void initAsr(std::map<std::string, std::string>& model_path, int thread_num, bool use_gpu=false, int batch_size=1);
  void on_message(websocketpp::connection_hdl hdl, message_ptr msg);
  void on_open(websocketpp::connection_hdl hdl);
  void on_close(websocketpp::connection_hdl hdl);