dotnet: clarify it runs on mobile (#12094)

docs/platforms/dotnet/index.mdx

@@ -14,6 +14,16 @@ If you don't already have an account and Sentry project established, head over t
 
 </Note>
 
+You can use these instructions to run Sentry in an app running on:
+
+* Windows
+* macOS
+* Linux
+* Android
+* iOS
+
+If you're using a framework, such as ASP.NET Core or MAUI, please select the framework on the drop down on the top left.
+
 ## Features
 
 In addition to capturing errors, you can monitor interactions between multiple services or applications by [enabling tracing](/concepts/key-terms/tracing/). You can also collect and analyze performance profiles from real users with [profiling](/product/explore/profiling/).