Update repositories.txt (#7045)

Co-authored-by: Per Tillisch <[email protected]>

Author: chipnorm

repositories.txt

@@ -8472,4 +8472,5 @@ https://github.com/7semi-solutions/7Semi_CO2_Temperature_Humidity_I2C_Probe_Ardu
 https://github.com/lizardking/LD2410Async
 https://github.com/bitbank2/bb_proximity
 https://github.com/geekfactory/GFDisplay7S
+https://github.com/chipnorm/ChipNorm_DHT11
 https://github.com/bitbank2/bb_temperature