fixed typo in config

config/controllers.yaml

@@ -12,7 +12,7 @@ controllers:
     led_rgb:
         target: digilib.pin.LEDRGB
         pin_red: 19
-        pin_green: 26]
+        pin_green: 26
     debug_ctrl:
         target: digilib.pin.DebugPinController
         pins: []