Adding No README chapter

[OliaG]

Adding a question/answer for the case when the package has no README in Visual Studio Package Manager.

[learn-build-service-prod]

Learn Build status updates of commit af59d37:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/resources/NuGet-FAQ.yml	✅Succeeded	View

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[learn-build-service-prod]

Learn Build status updates of commit c469e6d:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/resources/NuGet-FAQ.yml	✅Succeeded	View

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit b748d08:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/resources/NuGet-FAQ.yml	✅Succeeded	View

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel