Add licence

Author: yugyesh

examples/bno08x_find_heading.py

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 KC YUGESH
+# SPDX-License-Identifier: Unlicense
+
 import time
 from math import atan2, sqrt, pi
 from board import SCL, SDA
@@ -51,4 +54,3 @@ def find_heading(dqw, dqx, dqy, dqz):
     print("Heading using geomagnetic rotation vector:", heading_geo)
     print("")
     time.sleep(0.1)
-