Test go inside sherpa-onnx (#374)

Previously, we only test the go api examples with pre-built packages. 
This PR tests go API examples against the latest source code of sherpa-onnx.

scripts/go/_internal/real-time-speech-recognition-from-microphone/.gitignore

@@ -0,0 +1 @@
+real-time-speech-recognition-from-microphone

scripts/go/_internal/real-time-speech-recognition-from-microphone/go.mod

@@ -0,0 +1,11 @@
+module real-time-speech-recognition-from-microphone
+
+go 1.12
+
+replace github.com/k2-fsa/sherpa-onnx-go/sherpa_onnx => ../
+
+require (
+	github.com/gordonklaus/portaudio v0.0.0-20230709114228-aafa478834f5
+	github.com/k2-fsa/sherpa-onnx-go/sherpa_onnx v0.0.0-00010101000000-000000000000
+	github.com/spf13/pflag v1.0.5
+)

scripts/go/_internal/real-time-speech-recognition-from-microphone/go.sum

@@ -0,0 +1,4 @@
+github.com/gordonklaus/portaudio v0.0.0-20230709114228-aafa478834f5 h1:5AlozfqaVjGYGhms2OsdUyfdJME76E6rx5MdGpjzZpc=
+github.com/gordonklaus/portaudio v0.0.0-20230709114228-aafa478834f5/go.mod h1:WY8R6YKlI2ZI3UyzFk7P6yGSuS+hFwNtEzrexRyD7Es=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=

scripts/go/_internal/real-time-speech-recognition-from-microphone/main.go

@@ -0,0 +1 @@
+../../../../go-api-examples/real-time-speech-recognition-from-microphone/main.go

scripts/go/_internal/real-time-speech-recognition-from-microphone/run.sh

@@ -0,0 +1 @@
+../../../../go-api-examples/real-time-speech-recognition-from-microphone/run.sh