Update repositories.txt (#5230)

Author: TinyuZhao

repositories.txt

@@ -3763,6 +3763,7 @@ https://github.com/m2m-solutions/M2M_TLV
 https://github.com/m516/TinyMatrixMath
 https://github.com/m5stack/M5DinMeter
 https://github.com/m5stack/M5Unit-WeightI2C
+https://github.com/m5stack/M5Unit-METER
 https://github.com/m5stack/M5Unit-PbHub
 https://github.com/m5stack/M5Unit-CAN
 https://github.com/m5stack/ATOM_DTU_CAT1