Update README.md

README.md

@@ -8,7 +8,7 @@ sona is a simple broadcast server for sending messages to multiple clients.
 go get github.com/snowmerak/sona
 ```
 
-## Usage
+## Example
 
 ```go
 package main
@@ -39,3 +39,49 @@ func main() {
 ```
 
 This code is sending a message("hello, world") to all clients every second.
+
+## Events
+
+```go
+package main
+
+import (
+	"context"
+	"github.com/snowmerak/sona/lib/sona"
+	"log"
+	"net/http"
+	"time"
+)
+
+func main() {
+	ctx := context.Background()
+	app := sona.New().
+		EnableSSE(ctx, "0.0.0.0:8080").
+		EnableWS(ctx, "0.0.0.0:8081").
+		OnConnect(func(w http.ResponseWriter, r *http.Request) {
+			log.Println("connect")
+		}).
+		OnSend(func(w http.ResponseWriter, r *http.Request) {
+			log.Println("send")
+		}).
+		OnDisconnect(func(w http.ResponseWriter, r *http.Request) {
+			log.Println("disconnect")
+		})
+
+	go func() {
+		ticker := time.NewTicker(time.Second)
+		for range ticker.C {
+			app.Broadcast("/hello", []byte("hello world"))
+			log.Println("broadcast")
+		}
+	}()
+
+	if err := app.Run(); err != nil {
+		panic(err)
+	}
+}
+```
+
+1. OnConnect: Triggered when a client connects to the server.
+2. OnSend: Triggered when the server sends a message to the client.
+3. OnDisconnect: Triggered when a client disconnects from the server.