.NET 7: Output caching middleware

[Rick-Anderson]

Output caching middleware preview 7.6 blog

Should this be a new topic under Minimal APIs overview

cc @Tratcher

[Tratcher]

This is not minimal specific, it's a general ASP.NET Core capability.

@sebastienros

[Rick-Anderson]

This is not minimal specific, it's a general ASP.NET Core capability.

We'll put it under Middleware

[tdykstra]

I think it fits better under Performance --> Caching, alongside Response Caching Middleware.

[Rick-Anderson]

@tdykstra put it under both.

[Rick-Anderson]

See https://github.com/dotnet/AspNetCore.Docs/issues/26326 @tdykstra see RC2 updates