Add submission # 6039

#6039

Author: ArduinoBot

registry.txt

@@ -7962,3 +7962,4 @@ https://github.com/Khuuxuanngoc/Makerlabvn_I2C_Line_Follower_Sensor.git|Contribu
 https://github.com/amitesh-singh/EspDDNS.git|Contributed|EspDDNS
 https://github.com/JakubSdf/LedDisplayFonts.git|Contributed|LedDisplayFonts
 https://github.com/Amanecer-Digital-SL/am_ambot_library.git|Contributed|AMBOT
+https://github.com/tomorrow56/SPRESENSE_ESP8266_LINE_Messaging_API.git|Contributed|ESP8266_LINE_Messaging_API