Update README.md

Author: martinius96

README.md

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 # Voice-Control-Arduino-ESP8266-ESP32
 These Arduino, ESP8266, ESP32 working with web interface for voice control.
+
 # Web interface working only under Chrome browser!
 Examples are based on language:
 * Slovak language: https://arduino.php5.sk/PHP_sk
 * Czech language: https://arduino.php5.sk/PHP_cs
 * English language: https://arduino.php5.sk/PHP_en
 * Russian language: https://arduino.php5.sk/PHP_ru
+
+# Usage
+* Upload sketch of your language, visit web interface based on your language
+* Use Google Chrome and use it under instructions on website