Update motr-developer-guide.md
Adding link to
@@ -6,6 +6,7 @@ features.
The first document developers should read is: [Motr Client API ](/motr/client.h).
It explains basic notations, terminologies, and data structures in Cortx Motr.
+Example motr client applications can be found in our [m0client-sample-apps repo](https://github.com/Seagate/m0client-sample-apps).
Developers are also assumed having a running Cortx Motr system: please refer to
[Cluster Setup](https://github.com/Seagate/Cortx/blob/main/doc/Cluster_Setup.md)
and [Quick Start Guide](/doc/Quick-Start-Guide.rst). For debugging, ADDB can be
