add python API and examples for TTS (#364)

cmake/cmake_extension.py

@@ -137,6 +137,7 @@ class BuildExtension(build_ext):
         binaries += ["sherpa-onnx-offline-websocket-server"]
         binaries += ["sherpa-onnx-online-websocket-client"]
         binaries += ["sherpa-onnx-vad-microphone"]
+        binaries += ["sherpa-onnx-offline-tts"]
 
         if is_windows():
             binaries += ["kaldi-native-fbank-core.dll"]
@@ -144,6 +145,9 @@ class BuildExtension(build_ext):
             binaries += ["sherpa-onnx-core.dll"]
             binaries += ["sherpa-onnx-portaudio.dll"]
             binaries += ["onnxruntime.dll"]
+            binaries += ["kaldi-decoder-core.dll"]
+            binaries += ["sherpa-onnx-fst.dll"]
+            binaries += ["sherpa-onnx-kaldifst-core.dll"]
 
         for f in binaries:
             suffix = "" if "dll" in f else suffix