.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

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Associated WorkItem - 85538

[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 #26326
@tdykstra see RC2 updates