fix: 修正WebSocket连接URL格式

Author: atopos31

docs/start/coding.md

@@ -25,7 +25,7 @@ import (
 
 func main() {
 	driver := driver.NewWSClient(1*time.Second, driver.WSnode{
-		Url: "localhost:4000",
+		Url: "ws://localhost:4000",
 	})
 	bot := nsx.Default(driver)
 	bot.Run(context.Background())
@@ -61,7 +61,7 @@ go get -u github.com/openai/openai-go
 ```go
 func main() {
 	driver := driver.NewWSClient(1*time.Second, driver.WSnode{
-		Url: "localhost:4000",
+		Url: "ws://localhost:4000",
 	})
 	bot := nsx.Default(driver)
 	pvt := nsx.OnEvent[event.PrivateMessage](bot)