Update 2020_shake.ino

TheKitty · web-flow · commit d3888752c1e5 · 2021-09-29T16:28:14.000-04:00
diff --git a/2020_shake/2020_shake.ino b/2020_shake/2020_shake.ino
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2020 Limor Fried for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
 #include <Adafruit_LIS3DH.h>      // For accelerometer
 #include <Adafruit_PixelDust.h>   // For simulation
 #include <Adafruit_Protomatter.h> // For LED matrix
