Example to demonstrate usage of `mbed_stats_cpu_get()` API usage

Revision:
15:86c93f5d67c4
Parent:
0:3114f82feb68
--- a/README.md	Mon Nov 19 21:30:35 2018 +0000
+++ b/README.md	Thu Nov 29 16:15:33 2018 +0000
@@ -55,3 +55,8 @@
 1. Connect your Mbed device to the computer over USB.
 1. Copy the binary file to the Mbed device.
 1. Press the reset button to start the program.
+
+### License and contributions
+The software is provided under Apache-2.0 license. Contributions to this project are accepted under the same license. Please see contributing.md for more info.
+
+This project contains code from other projects. The original license text is included in those source files. They must comply with our license guide
\ No newline at end of file