update README

Author: pineman

README.md

@@ -1,4 +1,13 @@
 # LEDmatrix
 
-
 A 10 * 20 Pixel LED Matrix
+
+Run the server:
+	`python3 server/driver.py`
+
+Run the client:
+	`python3 -m client`
+
+The serial paths are hardcoded for now.
+So remember to boot the orange pi with the arduino plugged in,
+wait a minute and only then plug in the HES controller (it all Just Works™)