Aspnetcore.docs: Bad cross-refs

[guardrex]

I'm going to run thru and fix these up ...

aspnetcore/fundamentals/host/generic-host.md
2 invalid cross reference(s)
\", \

aspnetcore/migration/22-to-30.md
2 invalid cross reference(s) \
\

aspnetcore/performance/caching/response.md
1 invalid cross reference(s)
\

aspnetcore/security/authentication/social/additional-claims.md
1 invalid cross reference(s) \

cc: @Rick-Anderson @scottaddie @wadepickett

[guardrex]

@scottaddie Whooops! :smile: ... There's an API docs bug here.

https://docs.microsoft.com/en-us/dotnet/api/?term=Microsoft.Extensions.Hosting.Internal.ConsoleLifetime

... is a thing, but the API doc page (first link returned) ends up a 404 :boom: ...

https://docs.microsoft.com/en-us/dotnet/api/microsoft.extensions.hosting.internal.consolelifetime

[scottaddie]

This is a result of some API ref changes @mairaw is working on. The Internal namespaces will need to be code-fenced, as they're no longer being published.

[guardrex]

Ok ... do you want me to do it? ... or leave it assigned to u?

[scottaddie]

I'm wrapping up a few other PRs right now. If you have time, go ahead with it.

[guardrex]

ok ... I'll do it. I'm just waiting on the blog post.