chore: add Apache License 2.0 and ignore build directory

src/models/sherpa.go

@@ -12,11 +12,6 @@ import (
 	"tea.chunkbyte.com/kato/captioneer/src/config"
 )
 
-type SpeechSegment struct {
-	Start   int
-	Samples []float32
-}
-
 type modelPaths struct {
 	encoder string
 	decoder string
@@ -96,13 +91,13 @@ func (r *Resources) FlushVAD() {
 	r.vad.Flush()
 }
 
-func (r *Resources) NextSpeechSegment() (SpeechSegment, bool) {
+func (r *Resources) NextSpeechSegment() (int, []float32, bool) {
 	if r.vad.IsEmpty() {
-		return SpeechSegment{}, false
+		return 0, nil, false
 	}
 	segment := r.vad.Front()
 	r.vad.Pop()
-	return SpeechSegment{Start: segment.Start, Samples: segment.Samples}, true
+	return segment.Start, segment.Samples, true
 }
 
 func validatePaths(modelsDir string, mode config.Mode) (modelPaths, error) {