Context: https://github.com/dotnet/docs/pull/29837/files#r897416503

The single-library warning short link (https://aka.ms/dotnet-illink/libraries) should point to its own doc page where we can add a full description of the issue.

Document Details

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• ID: f3d1f980-933d-a2a8-1645-098c2a4bc2a2
• Version Independent ID: 80dc5a35-aee1-fa68-5a21-78c628e9ff41
• Content: Prepare .NET libraries for trimming - .NET
• Content Source: docs/core/deploying/trimming/prepare-libraries-for-trimming.md
• Product: dotnet-fundamentals
• GitHub Login: @sbomer
• Microsoft Alias: svbomer