Update to new CI pkg domain

Author: kzu

src/VisualStudio/Docs/readme.md

@@ -6,7 +6,7 @@ A global tool for running, managing and querying Visual Studio installations
 [![Downloads](https://img.shields.io/nuget/dt/dotnet-vs.svg?color=darkmagenta)](https://www.nuget.org/packages/dotnet-vs)
 [![License](https://img.shields.io/github/license/devlooped/dotnet-vs.svg?color=blue)](https://github.com/devlooped/dotnet-vs/blob/master/license.txt)
 [![CI Status](https://github.com/devlooped/dotnet-vs/workflows/build/badge.svg?branch=main)](https://github.com/devlooped/dotnet-vs/actions?query=branch%3Amain+workflow%3Abuild+)
-[![CI Version](https://img.shields.io/endpoint?label=nuget.ci&color=brightgreen&url=https://shields.kzu.io/vpre/dotnet-vs/main)](https://pkg.kzu.io/index.json)
+[![CI Version](https://img.shields.io/endpoint?label=nuget.ci&color=brightgreen&url=https://shields.kzu.app/vpre/dotnet-vs/main)](https://pkg.kzu.app/index.json)
 
 Installing or updating (same command for both):
 
@@ -17,7 +17,7 @@ dotnet tool update -g dotnet-vs
 To get the CI version:
 
 ```
-dotnet tool update -g dotnet-vs --no-cache --add-source https://pkg.kzu.io/index.json
+dotnet tool update -g dotnet-vs --no-cache --add-source https://pkg.kzu.app/index.json
 ```
 
 Command line parsing is done with [Mono.Options](https://www.nuget.org/packages/mono.options) so