Aspnetcore.docs: Update "Simple authorization" to 3.1

[serpent5]

The code samples here are still valid in 3.0, but I think it would be helpful to introduce basic usage of endpoints and RequireAuthorization here.

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Document Details

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• ID: 4c3930e5-8a4f-8bdf-7167-9aed8afc4253
• Version Independent ID: cea5942d-fb01-f5bf-3b63-25873d5b79cf
• Content: Simple authorization in ASP.NET Core
• Content Source: aspnetcore/security/authorization/simple.md
• Product: aspnet-core
• Technology: aspnetcore-security
• GitHub Login: @Rick-Anderson
• Microsoft Alias: riande

[Zahid-tariq]

Can anyone tell me that how we set the middleware for the simple authorization??

[SychevIgor]

will be nice to update it finally

[BogdanGirnyk]

Please, provide this essential documentation.