add readme for moved sample

зеркало из https://github.com/Azure/iot-central-firmware.git
2018-12-18 15:33:13 -08:00 · 2018-12-18 15:33:13 -08:00 · 139c064936
--- a/AZ3166/README.md
+++ b/AZ3166/README.md
@ -0,0 +1 @@
+Sample moved into [MXCHIP folder](../MXCHIP)
				`@ -0,0 +1 @@`
				`Sample moved into [MXCHIP folder](../MXCHIP)`