Add C++ API for streaming ASR. (#1455)

It is a wrapper around the C API.

.github/workflows/sanitizer.yaml

@@ -76,6 +76,14 @@ jobs:
           otool -L build/bin/sherpa-onnx
           otool -l build/bin/sherpa-onnx
 
+      - name: Test C++ API
+        shell: bash
+        run: |
+          export PATH=$PWD/build/bin:$PATH
+          export CXX_STREAMING_ZIPFORMER_EXE=streaming-zipformer-cxx-api
+
+          .github/scripts/test-cxx-api.sh
+
       - name: Test online punctuation
         shell: bash
         run: |
@@ -109,7 +117,6 @@ jobs:
           .github/scripts/test-online-ctc.sh
 
 
-
       - name: Test C API
         shell: bash
         run: |