add note to prereqs that the sample is in proc

Signed-off-by: Hannah Hunter <[email protected]>

Author: hhunter-ms

includes/durable-functions-prerequisites.md

@@ -11,7 +11,7 @@ ms.author: glenga
 # [C#](#tab/csharp)
 
 * [Complete the quickstart article](../articles/azure-functions/durable/durable-functions-isolated-create-first-csharp.md)
-* [Clone or download the samples project from GitHub](https://github.com/Azure/azure-functions-durable-extension/tree/master/samples/precompiled)
+* [Clone or download the samples project from GitHub](https://github.com/Azure/azure-functions-durable-extension/tree/master/samples/precompiled) (uses the in-process model)
 
 # [JavaScript](#tab/javascript)