Demo to add kaldi-native-fbank (#3)

README.md

@@ -4,3 +4,16 @@ See <https://github.com/k2-fsa/sherpa>
 
 This repo uses [onnxruntime](https://github.com/microsoft/onnxruntime) and
 does not depend on libtorch.
+
+# Usage
+
+```bash
+git clone https://github.com/k2-fsa/sherpa-onnx
+cd sherpa-onnx
+mkdir build
+cd build
+cmake ..
+make -j
+
+./bin/online-fbank-test
+```