Update repositories.txt

Author: BojanJurca

repositories.txt

@@ -1,5 +1,5 @@
 https://github.com/BojanJurca/Lightweight-Standard-Template-Library-STL-for-Arduino
-https://github.com/atestb/MCP4151-Digital-Potentiometer 
+https://github.com/atestb/MCP4151-Digital-Potentiometer
 https://github.com/nicolito128/DHT_N128
 https://github.com/steamicc/MCP23009E
 https://github.com/pbudel/QuarkX