Add example to GattServer.md

Amanda Butler · web-flow · commit 9d733b1598ad · 2018-07-24T14:14:08.000-05:00
Add example transcluded from teams repo.
diff --git a/docs/reference/api/connectivity/bluetooth/GattServer.md b/docs/reference/api/connectivity/bluetooth/GattServer.md
@@ -33,4 +33,4 @@ The term characteristic value update represents Characteristic Value Notificatio
 
 ### GattServer example
 
-[Add example here.]
+[![View code](https://www.mbed.com/embed/?url=https://os.mbed.com/teams/mbed-os-examples/code/mbed-os-example-ble-GattServer/)](https://os.mbed.com/teams/mbed-os-examples/code/mbed-os-example-ble-GattServer/file/8fbed496a023/main.cpp/)

Original file line number	Diff line number	Diff line change
`@@ -33,4 +33,4 @@ The term characteristic value update represents Characteristic Value Notificatio`
`33`	`33`
`34`	`34`	`### GattServer example`
`35`	`35`
`36`		`-[Add example here.]`
	`36`	`+[![View code](https://www.mbed.com/embed/?url=https://os.mbed.com/teams/mbed-os-examples/code/mbed-os-example-ble-GattServer/)](https://os.mbed.com/teams/mbed-os-examples/code/mbed-os-example-ble-GattServer/file/8fbed496a023/main.cpp/)`