Subcategories for better filtering of Kestrel logs

[Rick-Anderson]

Add Subcategories for better filtering of Kestrel logs
Check the what's new version first.

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Document Details

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• ID: 7184a308-a254-9350-a5cd-5bced1f369ae
• Version Independent ID: 726e3bf1-f367-d733-8933-bccc04da0e16
• Content: Logging in .NET Core and ASP.NET Core
• Content Source: aspnetcore/fundamentals/logging/index.md
• Product: aspnet-core
• Technology: aspnetcore-fundamentals
• GitHub Login: @Rick-Anderson
• Microsoft Alias: riande

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Associated WorkItem - 60754