hello

Revision:
0:93c385ddc62a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Wed Oct 31 09:26:18 2018 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#866850acc15e86cd4ac11bf4404078a49f921ddd