Add Go API for TTS (#377)

go-api-examples/non-streaming-tts/run-vits-vctk.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+# please refer to
+# https://k2-fsa.github.io/sherpa/onnx/tts/pretrained_models/vits.html#vctk-english-multi-speaker-109-speakers
+# to download the model before you run this script
+
+for sid in 0 10 108; do
+./non-streaming-tts \
+  --vits-model=./vits-vctk/vits-vctk.onnx \
+  --vits-lexicon=./vits-vctk/lexicon.txt \
+  --vits-tokens=./vits-vctk/tokens.txt \
+  --sid=0 \
+  --debug=1 \
+  --output-filename=./kennedy-$sid.wav \
+  'Ask not what your country can do for you; ask what you can do for your country.'
+done