Add submission # 6784

#6784

Author: ArduinoBot

registry.txt

@@ -8281,3 +8281,4 @@ https://github.com/DigitalCodesign/MentorBit-RS232.git|Contributed|MentorBit-RS2
 https://github.com/Zefek/TX07K-TXC.git|Contributed|TX07K-TXC Temperature sensor Library
 https://github.com/PTSolns/BMx280.git|Contributed|BMx280
 https://github.com/gavinlyonsrepo/ST7789_LTSM.git|Contributed|ST7789_LTSM
+https://github.com/Xinyuan-LilyGO/LilyGoLib.git|Contributed|LilyGoLib