Switch file to io stream in recognizer interface

internal/adapter/recognizer/memory.go

@@ -1,13 +1,15 @@
 package recognizer
 
 import (
+	"io"
+
 	"git.vakhrushev.me/av/transcriber/internal/entity"
 	"github.com/google/uuid"
 )
 
 type MemoryAudioRecognizer struct{}
 
-func (r *MemoryAudioRecognizer) RecognizeFile(filePath string) (operationID string, err error) {
+func (r *MemoryAudioRecognizer) Recognize(file io.Reader, fileName string) (operationID string, err error) {
 	return uuid.NewString(), nil
 }