Add submission # 6871

#6871

Author: ArduinoBot

registry.txt

@@ -8338,3 +8338,4 @@ 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
+https://github.com/felias-fogg/progmem_far.git|Contributed|progmem_far