Add a section that describes/cross-links the new tutorial

[guardrex]

Description

Surface the tutorial in the article in a >=8.0 section.

Also, add the movie tutorial pages to the ToC.

Page URL

https://learn.microsoft.com/en-us/aspnet/core/blazor/blazor-ef-core?view=aspnetcore-8.0

Content source URL

https://github.com/dotnet/AspNetCore.Docs/blob/main/aspnetcore/blazor/blazor-ef-core.md

Document ID

2ebc5e4d-bab4-6d30-9018-9a712c482236

Article author

@guardrex

[github-actions]

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