fix: remove tabs

README.md

@@ -35,52 +35,52 @@ Phone is wrapper that can make you easy build phone, create/receive SIP call, ha
 ### Dialer
 
 ```go
-    ua, _ := sipgo.NewUA()
-    defer ua.Close()
-
-    // Create a phone
-	phone := sipgox.NewPhone(ua) 
-
-    // Run dial
-	ctx, _ := context.WithTimeout(context.Background(), 60*time.Second)
-	dialog, err := phone.Dial(ctx, sip.Uri{User:"bob", Host: "localhost", Port:5060}, sipgox.DialOptions{})
-	if err != nil {
-		// handle error
-        return
-	}
-	defer dialog.Close() // Close dialog for cleanup
-
-    select {
-    case <-dialog.Done():
-        return
-    case <-time.After(5 *time.Second):
-        dialog.Hangup(context.TODO())
-    }
+ua, _ := sipgo.NewUA()
+defer ua.Close()
+
+// Create a phone
+phone := sipgox.NewPhone(ua) 
+
+// Run dial
+ctx, _ := context.WithTimeout(context.Background(), 60*time.Second)
+dialog, err := phone.Dial(ctx, sip.Uri{User:"bob", Host: "localhost", Port:5060}, sipgox.DialOptions{})
+if err != nil {
+    // handle error
+    return
+}
+defer dialog.Close() // Close dialog for cleanup
+
+select {
+case <-dialog.Done():
+    return
+case <-time.After(5 *time.Second):
+    dialog.Hangup(context.TODO())
+}
 ```
 
 ### Receiver
 
 ```go
-    ua, _ := sipgo.NewUA()
-    defer ua.Close()
-
-    // Create a phone
-    phone := sipgox.NewPhone(ua)
-
-	ctx, _ := context.WithCancel(context.Background())
-	dialog, err := phone.Answer(ctx, sipgox.AnswerOptions{
-		Ringtime:  5* time.Second,
-	})
-	if err != nil {
-		//handle error
-        return
-	}
-    defer dialog.Close() // Close dialog for cleanup
-
-    select {
-    case <-dialog.Done():
-        return
-    case <-time.After(10 *time.Second):
-        dialog.Hangup(context.TODO())
-    }
+ua, _ := sipgo.NewUA()
+defer ua.Close()
+
+// Create a phone
+phone := sipgox.NewPhone(ua)
+
+ctx, _ := context.WithCancel(context.Background())
+dialog, err := phone.Answer(ctx, sipgox.AnswerOptions{
+    Ringtime:  5* time.Second,
+})
+if err != nil {
+    //handle error
+    return
+}
+defer dialog.Close() // Close dialog for cleanup
+
+select {
+case <-dialog.Done():
+    return
+case <-time.After(10 *time.Second):
+    dialog.Hangup(context.TODO())
+}
 ```