Add Go API for speaker identification (#718)

go-api-examples/speaker-identification/run.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+if [ ! -f ./3dspeaker_speech_campplus_sv_zh-cn_16k-common.onnx ]; then
+  curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/speaker-recongition-models/3dspeaker_speech_campplus_sv_zh-cn_16k-common.onnx
+fi
+
+if [ ! -f ./sr-data/enroll/fangjun-sr-1.wav ]; then
+  git clone https://github.com/csukuangfj/sr-data
+fi
+
+go mod tidy
+go build
+./speaker-identification