[SVLS-8031] Clarify .NET Azure Function Hosting Plan Support (#33098)

* clarify extension support for .net windows function apps

* clarify serverless compatibility layer support for .net windows function apps

* fix typos

* fix link from windows code page

* reword instructions

* format lists with html

* remove extra detail from windows code page

Author: duncanpharvey

content/en/serverless/azure_app_service/windows_code.md

@@ -30,13 +30,19 @@ The Datadog extension for Azure App Service provides monitoring capabilities in
 - Support for submitting custom metrics using [DogStatsD][1].
 
 <div class="alert alert-info">
-The extension supports Azure App Service Web Apps on Basic, Standard, and Premium plans. Flex or Consumption plans are not supported.<br/><br/>
+The extension supports the following:
+<ul>
+  <li>App Service Web Apps: Supported for .NET, Java, and Node runtimes on Basic, Standard, and Premium plans.</li>
+  <li>Azure Functions: Supported only for the .NET runtime on Basic, Standard, and Premium plans.</li>
+</ul>
+
+For all other Azure Functions configurations, you must use the <a href="/serverless/azure_functions">Serverless Compatibility Layer</a>.
 
 <strong>Interested in support for other App Service resource types or runtimes?</strong> <a href="https://forms.gle/n4nQcxEyLqDBMCDA7">Sign up</a> to be notified when a Preview becomes available.</div>
 
 ### Supported runtimes
 
-The Datadog .NET, Java, and Node.js APM extensions support the following runtimes in Windows Code web apps:
+The Datadog .NET, Java, and Node.js APM extensions support the following runtimes:
 
 | Framework | Supported runtimes |
 | --------- | ------------------ |

content/en/serverless/azure_functions/_index.md

@@ -12,6 +12,10 @@ further_reading:
 ## Overview
 This page explains how to collect traces, trace metrics, runtime metrics, and custom metrics from your Azure Functions. To collect additional metrics, install the [Datadog Azure integration][5].
 
+The recommended installation method depends on your Azure Function’s configuration:
+- For .NET Windows Azure Functions running on Dedicated/App Service or Premium plans: use the [Datadog .NET APM Extension][9].
+- For all other configurations (including different runtimes, operating systems, or hosting plans): Follow the instructions below to install the Serverless Compatibility Layer.
+
 ## Setup
 
 If you haven't already, install the [Datadog-Azure integration][5] to collect metrics and logs. Then instrument your application with the following steps:
@@ -218,3 +222,4 @@ You can collect [debug logs][6] for troubleshooting. To configure debug logs, us
 [6]: /tracing/troubleshooting/tracer_debug_logs/#enable-debug-mode
 [7]: /getting_started/tagging/unified_service_tagging/
 [8]: https://learn.microsoft.com/en-us/azure/azure-functions/flex-consumption-plan
+[9]: /serverless/azure_app_service/windows_code/?tab=net