Move into examples

examples/cpp/README.md

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+# Stream example in C++
+
+Here's a simple example of the vad model in c++ onnxruntime.
+
+
+
+## Requirements
+
+Code are tested in the environments bellow, feel free to try others.
+
+- WSL2 + Debian-bullseye (docker)  
+- gcc 12.2.0
+- onnxruntime-linux-x64-1.12.1
+
+
+
+## Usage
+
+1. Install gcc 12.2.0, or just pull the docker image with `docker pull gcc:12.2.0-bullseye`
+
+2. Install onnxruntime-linux-x64-1.12.1
+
+   - Download lib onnxruntime: 
+
+     `wget https://github.com/microsoft/onnxruntime/releases/download/v1.12.1/onnxruntime-linux-x64-1.12.1.tgz`
+
+   - Unzip. Assume the path is `/root/onnxruntime-linux-x64-1.12.1`
+
+3. Modify wav path & Test configs in main function
+
+   `wav::WavReader wav_reader("${path_to_your_wav_file}");`
+
+   test sample rate, frame per ms, threshold...
+
+4. Build with gcc and run
+
+   ```bash
+   # Build
+   g++ silero-vad-onnx.cpp -I /root/onnxruntime-linux-x64-1.12.1/include/ -L /root/onnxruntime-linux-x64-1.12.1/lib/ -lonnxruntime  -Wl,-rpath,/root/onnxruntime-linux-x64-1.12.1/lib/ -o test
+   
+   # Run
+   ./test
+   ```