Add submission # 6445

#6445

Author: ArduinoBot

registry.txt

@@ -8216,3 +8216,4 @@ https://github.com/fadhil-1911/MyDHT22.git|Contributed|MyDHT22
 https://github.com/regimantas/ChaCha32Arduino.git|Contributed|ChaCha32
 https://github.com/aikopras/AP_DCC_Decoder_Core.git|Contributed|AP_DCC_Decoder_Core
 https://github.com/regimantas/PY32LowPower.git|Contributed|PY32LowPower
+https://github.com/bahr1k/esp-arduino-tunnel.git|Contributed|EspTunnel