add example usage to readme

README.md

@@ -16,3 +16,54 @@ After creating your account, you can get you API key [from here](https://help.el
 
 
 To use this library, create a new client and send a TTS request to a voice.
+The following code block illustrates how one might replicate the say/espeak
+command, using the streaming endpoint.
+```go
+package main
+
+import (
+        "bufio"
+        "context"
+        "io"
+        "log"
+        "os"
+        "time"
+
+        "github.com/faiface/beep"
+        "github.com/faiface/beep/mp3"
+        "github.com/faiface/beep/speaker"
+
+        "github.com/taigrr/elevenlabs/client"
+        "github.com/taigrr/elevenlabs/client/types"
+)
+
+func main() {
+        ctx := context.Background()
+        client := client.New(os.Getenv("XI_API_KEY"))
+        ids, err := client.GetVoiceIDs(ctx)
+        if err != nil {
+                panic(err)
+        }
+        pipeReader, pipeWriter := io.Pipe()
+        reader := bufio.NewReader(os.Stdin)
+        text, _ := reader.ReadString('\n')
+        go func() {
+                err = client.TTSStream(ctx, pipeWriter, text, ids[0], types.SynthesisOptions{Stability: 0.75, SimilarityBoost: 0.75})
+                if err != nil {
+                        panic(err)
+                }
+                pipeWriter.Close()
+        }()
+        streamer, format, err := mp3.Decode(pipeReader)
+        if err != nil {
+                log.Fatal(err)
+        }
+        defer streamer.Close()
+        speaker.Init(format.SampleRate, format.SampleRate.N(time.Second/10))
+        done := make(chan bool)
+        speaker.Play(beep.Seq(streamer, beep.Callback(func() {
+                done <- true
+        })))
+        <-done
+}
+```