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

sugarcase

2024-09-25 8cd8e25f180b57c74f1ae7fd39001e5af4c20f8b

 runtime/websocket/bin/funasr-wss-client.cpp

@@ -193,10 +193,7 @@
      funasr::Audio audio(1);
        int32_t sampling_rate = audio_fs;
        std::string wav_format = "pcm";
        if (funasr::IsTargetFile(wav_path.c_str(), "wav")) {
            if (!audio.LoadWav(wav_path.c_str(), &sampling_rate, false)) 
                return;
        } else if(funasr::IsTargetFile(wav_path.c_str(), "pcm")){
        if(funasr::IsTargetFile(wav_path.c_str(), "pcm")){
         if (!audio.LoadPcmwav(wav_path.c_str(), &sampling_rate, false))
            return ;
      }else{