MVVM Toolkit Sample App Links included in the app are not working, please fix them

### Describe the bug

E.g. open the sample app and on the introduction page, click on one of the listed included things
Expected behavior would be, it navigates to the correct tab page for this in the sample app and shows more information about the thing clicked on. for example observableObject -> Page to this?

### Regression

new on this, know it only not working

### Steps to reproduce

E.g. open the sample app and on the introduction page, click on one of the listed included things
Nothing happening, except from a tooltip telling about a .md to the item, but no navigation to the topic

### Expected behavior

Expected behavior would be, it navigates to the correct tab page for this in the sample app and shows more information about the thing clicked on. for example observableObject -> Page to this?

### Screenshots

https://github.com/user-attachments/assets/1cc29f40-9d8d-4438-b1e0-bd301a9093c9

### IDE and version

Other

### IDE version

_No response_

### Nuget packages

- [ ] CommunityToolkit.Common
- [ ] CommunityToolkit.Diagnostics
- [ ] CommunityToolkit.HighPerformance
- [ ] CommunityToolkit.Mvvm (aka MVVM Toolkit)

### Nuget package version(s)

mvvm sample app from microsoft store

### Additional context

_No response_

### Help us help you

No, just wanted to report this