Update README.md (#156)

Adds `FsToolkit.ErrorHandling.AsyncSeq` to package list

Author: njlr

README.md

@@ -33,6 +33,7 @@ GitHub Actions |
 | FsToolkit.ErrorHandling | [![NuGet](https://img.shields.io/nuget/v/FsToolkit.ErrorHandling.svg)](https://www.nuget.org/packages/FsToolkit.ErrorHandling)
 | FsToolkit.ErrorHandling.TaskResult | [![NuGet](https://img.shields.io/nuget/v/FsToolkit.ErrorHandling.TaskResult.svg)](https://www.nuget.org/packages/FsToolkit.ErrorHandling.TaskResult)
 | FsToolkit.ErrorHandling.JobResult | [![NuGet](https://img.shields.io/nuget/v/FsToolkit.ErrorHandling.JobResult.svg)](https://www.nuget.org/packages/FsToolkit.ErrorHandling.JobResult)
+| FsToolkit.ErrorHandling.AsyncSeq | [![NuGet](https://img.shields.io/nuget/v/FsToolkit.ErrorHandling.AsyncSeq.svg)](https://www.nuget.org/packages/FsToolkit.ErrorHandling.AsyncSeq)
 
 
 ### Developing locally