Fix sample links. (#1900)

docs/tutorials/notes-app/includes/navigation.md

@@ -339,4 +339,4 @@ The `Routing.RegisterRoute` method takes two parameters:
 
 Now you can run your app. Try adding new notes, navigating back and forth between notes, and deleting notes.
 
-[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/7.0/Tutorials/CreateNetMauiApp/step4)
+[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/8.0/Tutorials/CreateNetMauiApp/step4)

docs/tutorials/notes-app/includes/note.md

@@ -96,4 +96,4 @@ Save the file and run the app. Try typing into the entry box and press the **Sav
 
 :::image type="content" source="../media/note/final.png" alt-text="Note entry page in .NET MAUI app.":::
 
-[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/7.0/Tutorials/CreateNetMauiApp/step3)
+[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/8.0/Tutorials/CreateNetMauiApp/step3)

docs/tutorials/notes-app/includes/project.md

@@ -29,4 +29,4 @@ Set the **Debug Target** in the Visual Studio toolbar to the device you want to
 01. Select the **Android Emulators** item.
 01. Select the emulator device.
 
-[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/7.0/Tutorials/CreateNetMauiApp/step1)
+[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/8.0/Tutorials/CreateNetMauiApp/step1)

docs/tutorials/notes-app/includes/shell.md

@@ -148,4 +148,4 @@ Close the app and return to Visual Studio. If you're using the Android emulator,
 
 :::image type="content" source="../media/shell/vs-stop-button.png" alt-text="Visual Studio's stop debugging button.":::
 
-[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/7.0/Tutorials/CreateNetMauiApp/step2)
+[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/8.0/Tutorials/CreateNetMauiApp/step2)

docs/tutorials/notes-mvvm/includes/bugs.md

@@ -53,4 +53,4 @@ Don't overengineer a solution for this problem, and just use the `NavigatedTo` e
 
 Now, run your app. Try to navigate to a note, press the back button, and select the same note a second time. The app behavior is fixed!
 
-[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/7.0/Tutorials/ConvertToMvvm/step6_bugs)
+[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/8.0/Tutorials/ConvertToMvvm/step6_bugs)

docs/tutorials/notes-mvvm/includes/model.md

@@ -80,4 +80,4 @@ The `Note` class code should look like the following:
 
 Now that the `Note` model is complete, the view models can be created.
 
-[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/7.0/Tutorials/ConvertToMvvm/step2_model)
+[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/8.0/Tutorials/ConvertToMvvm/step2_model)

docs/tutorials/notes-mvvm/includes/upgrade.md

@@ -36,4 +36,4 @@ To upgrade your app to .NET 7:
 01. Close Visual Studio if you opened the project with Visual Studio.
 01. Delete the _./bin_ and _./obj_ folders in the same folder as the _Notes.csproj_ file.
 
-[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/7.0/Tutorials/ConvertToMvvm/step1_upgrade)
+[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/8.0/Tutorials/ConvertToMvvm/step1_upgrade)

docs/tutorials/notes-mvvm/includes/viewmodel-about.md

@@ -88,4 +88,4 @@ The `ShowMoreInfo` button isn't using the event handler, so the `LearnMore_Click
 
     :::code language="csharp" source="../snippets/viewmodel-shared/csharp/Notes/Views/AboutPage.xaml.cs":::
 
-[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/7.0/Tutorials/ConvertToMvvm/step3_viewmodel_about)
+[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/8.0/Tutorials/ConvertToMvvm/step3_viewmodel_about)

docs/tutorials/notes-mvvm/includes/viewmodel-note.md

@@ -127,4 +127,4 @@ Now that the interaction with the view has changed from event handlers to comman
 
     :::code language="csharp" source="../snippets/viewmodel-shared/csharp/Notes/Views/NotePage.xaml.cs":::
 
-[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/7.0/Tutorials/ConvertToMvvm/step4_viewmodel_note)
+[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/8.0/Tutorials/ConvertToMvvm/step4_viewmodel_note)

docs/tutorials/notes-mvvm/includes/viewmodel-notes.md

@@ -117,4 +117,4 @@ You can now run the app, and everything is working. However, there are two probl
 
 These two problems are fixed in the next tutorial step.
 
-[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/7.0/Tutorials/ConvertToMvvm/step5_viewmodel_notes)
+[![Explore the code.](~/media/code-sample.png) Explore the code for this step of the tutorial.](https://github.com/dotnet/maui-samples/tree/main/8.0/Tutorials/ConvertToMvvm/step5_viewmodel_notes)