Add new repository link for progmem_far (#6871)

Author: felias-fogg

repositories.txt

@@ -2731,6 +2731,7 @@ https://github.com/feklee/MultiTrans
 https://github.com/felias-fogg/avrCalibrate
 https://github.com/felias-fogg/DotMatrix5x7
 https://github.com/felias-fogg/FlexWire
+https://github.com/felias-fogg/progmem_far
 https://github.com/felias-fogg/SingleWireSerial
 https://github.com/felias-fogg/SoftI2CMaster
 https://github.com/felias-fogg/TXOnlySerial