feat(i18n): zh-CN examples log in English, matching the serial-monitor convention

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

public/exemplos/zh-CN/arduino.ino

@@ -18,8 +18,8 @@ void setup() {
   }
 
   Serial.println("");
-  Serial.println("Wi-Fi conectado com sucesso!");
-  Serial.print("Endereço IP: ");
+  Serial.println("Wi-Fi connected!");
+  Serial.print("IP address: ");
   Serial.println(WiFi.localIP());
 }