Updated docs to use the new Feedback APIs

docs/platforms/dotnet/common/user-feedback/index.mdx

@@ -6,30 +6,40 @@ sidebar_order: 6000
 
 When a user experiences an error, Sentry provides the ability to collect additional feedback. You can collect feedback according to the method supported by the SDK.
 
-## Use the .NET SDK
+## User Feedback API
 
 <Alert>
 
 User Feedback for **[ASP.NET](/platforms/dotnet/guides/aspnet/user-feedback/#integration)** or **[ASP.NET Core](/platforms/dotnet/guides/aspnetcore/user-feedback/#integration)** supply integrations specific to supporting those SDKs.
 
 </Alert>
 
-You can create a form to collect the user input in your preferred framework, and use the SDK's API to send the information to Sentry. You can also use the widget, as described below. If you'd prefer an alternative to the widget or do not have a JavaScript frontend, you can use this API:
+You can create a form to collect the user input in your preferred framework, and use the SDK's API to send the information to Sentry.
 
 ```csharp {tabTitle:C#}
 var eventId = SentrySdk.CaptureMessage("An event that will receive user feedback.");
 
-SentrySdk.CaptureUserFeedback(eventId, "[email protected]", "It broke.", "The User");
+var feedback = new SentryFeedback("It broke.", "[email protected]", "Joe Shmoe", associatedEventId: eventId);
+var hint = new SentryHint();
+hint.AddAttachment("c:\foo.png", AttachmentType.Default, "image/png");  // You can also add a screenshot
+
+SentrySdk.CaptureFeedback(feedback, hint: hint);
 ```
 
 ```fsharp {tabTitle:F#}
 open Sentry
 
 let eventId = SentrySdk.CaptureMessage("An event that will receive user feedback.")
 
-SentrySdk.CaptureUserFeedback(eventId, "[email protected]", "It broke.", "The User")
+let feedback = SentryFeedback("It broke.", "[email protected]", "Joe Shmoe", associatedEventId = eventId)
+let hint = SentryHint()
+hint.AddAttachment("c:\foo.png", AttachmentType.Default, "image/png") // You can also add a screenshot
+
+SentrySdk.CaptureFeedback(feedback, hint)
 ```
 
+Alternatively you can also use the widget, as described below.
+
 ## Crash-Report Modal
 
 Our embeddable, JavaScript-based, Crash-Report modal is useful when you would typically render a plain error page (the classic `500.html`) on your website.