Add example for 3.1 latestFeature, since this is very common for projects on 3.1 LTS

[crozone]

For projects that wish to target the 3.1 LTS SDK, a common global.json configuration might be:

{
  "sdk": {
    "version": "3.1.100",
    "rollForward": "latestFeature"
  }
}

This is likely to be more common than the latestPatch scenario, and should perhaps replace that example.

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Document Details

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• ID: a94c335b-0b65-96cc-1c25-65777fbe4bb5
• Version Independent ID: 6d80613f-42dc-35d7-aeff-3187a36dbbca
• Content: global.json overview - .NET Core CLI
• Content Source: docs/core/tools/global-json.md
• Product: dotnet-core
• Technology: dotnet-cli
• GitHub Login: @tdykstra
• Microsoft Alias: tdykstra