Update README.md

Author: rlueckl

README.md

@@ -2,4 +2,5 @@
 Client to count up a specific number and display it on a 7-segment display
 
 Server part is: [rlueckl/espdisplay](https://github.com/rlueckl/espdisplay)
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 Needs library from: [Mottramlabs/MAX7219-8-Digit-7-Segment-LED-Driver-For-Arduino-ESP8266](https://github.com/Mottramlabs/MAX7219-8-Digit-7-Segment-LED-Driver-For-Arduino-ESP8266)