add support for speech-to-text endpoint (#10)

cmd/transcribe/.gitignore

@@ -0,0 +1,3 @@
+*.mp3
+main
+transcribe

cmd/transcribe/main.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/taigrr/elevenlabs/client"
+	"github.com/taigrr/elevenlabs/client/types"
+)
+
+func main() {
+	ctx := context.Background()
+	client := client.New(os.Getenv("XI_API_KEY"))
+
+	filePath := os.Args[1]
+
+	resp, err := client.ConvertSpeechToText(ctx, filePath, types.SpeechToTextRequest{
+		ModelID:               types.SpeehToTextModelScribeV1,
+		TimestampsGranularity: types.TimestampsGranularityWord,
+		Diarize:               true,
+	})
+
+	if err != nil {
+		panic(err)
+	}
+
+	bytes, err := json.Marshal(resp)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(string(bytes))
+}