Improves connection interface to handle correctly binary and text frames

backend/http.go

@@ -39,5 +39,5 @@ func (b *HTTPBackend) Handle(conn wasabi.Connection, r wasabi.Request) error {
 		return err
 	}
 
-	return conn.Send(respBody.Bytes())
+	return conn.Send(respBody.String())
 }

channel/connection.go

@@ -99,7 +99,7 @@ func (c *Conn) HandleRequests() {
 }
 
 // Send sends message to connection
-func (c *Conn) Send(msg []byte) error {
+func (c *Conn) Send(msg any) error {
 	if c.isClosed.Load() || c.ctx.Err() != nil {
 		return ErrConnectionClosed
 	}

interfaces.go

@@ -38,7 +38,7 @@ type ConnectionRegistry interface {
 
 // Connection is interface for connections
 type Connection interface {
-	Send(msg []byte) error
+	Send(msg any) error
 	Context() context.Context
 	ID() string
 	HandleRequests()