Update README

README.md

@@ -1,5 +1,61 @@
 # Azure TTS (Text to Speech) API wrapper for Go.
 
+## Quick Start
+
+```bash
+go get github.com/ringsaturn/azuretts
+```
+
+```go
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"github.com/ringsaturn/azuretts"
+)
+
+func buildFileName(speak *azuretts.Speak) string {
+	return fmt.Sprintf("%s_rate=%v_styledgree=%v.mp3",
+		speak.Voice.Name,
+		speak.Voice.ExpressAs.Prosody.Rate,
+		speak.Voice.ExpressAs.Styledegree,
+	)
+}
+
+func main() {
+	c := azuretts.NewClient(
+		os.Getenv("SPEECH_KEY"),
+		azuretts.Region(os.Getenv("SPEECH_REGION")),
+	)
+	speak := azuretts.NewSpeak(
+		azuretts.WithLanguage(azuretts.LanguageZhCN),
+		azuretts.WithVoiceName(azuretts.VoiceNameZhCNYunxiNeural),
+		azuretts.WithStyle(azuretts.StyleChat),
+		azuretts.WithRate(1),
+		azuretts.WithVoiceStyledegree(2),
+		azuretts.WithSpeechText("你好，世界"),
+		azuretts.WithVolume(100),
+	)
+	b, err := c.GetSynthesize(context.Background(), &azuretts.SynthesisRequest{
+		Speak:  speak,
+		Output: azuretts.AudioOutputFormat_Streaming_Audio16Khz32KbitrateMonoMp3,
+	})
+	if err != nil {
+		panic(err)
+	}
+	if err := b.Error(); err != nil {
+		panic(err)
+	}
+	err = os.WriteFile(buildFileName(speak), b.Body, 0644)
+	if err != nil {
+		panic(err)
+	}
+}
+```
+
 ## Thanks
 
 I learned a lot from <https://github.com/jesseward/azuretexttospeech>.