Add pointer for .NET debugging in CC-IJ Rider (#5924)

Author: briandealwis

docs/content/en/docs/workflows/debug.md

@@ -227,7 +227,9 @@ a debug launcher that examines the app command-line.
 
 #### .NET Core (runtime: `dotnet`, protocols: `vsdbg`)
 
-.NET Core applications are configured to be deployed along with `vsdbg`.
+.NET Core applications are configured to be deployed along with `vsdbg`
+for VS Code. 
+
 
 .NET Core application are recognized by:
 - the presence of a standard .NET environment variable:
@@ -237,7 +239,14 @@ a debug launcher that examines the app command-line.
 
 Furthermore, your app must be built with the `--configuration Debug` options to disable optimizations.
 
-**Note for users of [VS Code's debug adapter for C#](https://github.com/OmniSharp/omnisharp-vscode):**
+
+{{< alert title="JetBrains Rider" >}}
+This set up does not yet work automatically with [Cloud Code for IntelliJ in JetBrains Rider](https://github.com/GoogleCloudPlatform/cloud-code-intellij/issues/2903).
+There is [a manual workaround](https://github.com/GoogleCloudPlatform/cloud-code-intellij/wiki/Manual-set-up-for-remote-debugging-in-Rider).
+{{< /alert >}}
+
+{{< alert title="Omnisharp for VS Code" >}}
+For users of [VS Code's debug adapter for C#](https://github.com/OmniSharp/omnisharp-vscode):**
 the following configuration can be used to debug a container. It assumes that your code is deployed
 in `/app` or `/src` folder in the container. If that is not the case, the `sourceFileMap` property
 should be changed to match the correct folder. `processId` is usually 1 but might be different if you
@@ -272,6 +281,7 @@ your base image.  (`//` comments must be stripped.)
     }
 }
 ```
+{{< /alert >}}
 
 ## Troubleshooting