Add submission # 6870

#6870

Author: ArduinoBot

registry.txt

@@ -8337,3 +8337,4 @@ https://github.com/7semi-solutions/7Semi-BME690-Arduino-Library.git|Contributed|
 https://github.com/Glinek/picoEEPROM.git|Contributed|picoEEPROM
 https://github.com/deepanshu-deshwal/SL002_DHT11.git|Contributed|SL002_DHT11
 https://github.com/abcdaaaaaaaaa/MG811DataScience.git|Contributed|MG811SpaceData
+https://github.com/alexghrrsn/Ecowitt-Gateway-Parser.git|Contributed|Ecowitt-GW1000-TCP-Parser