Customer feedback | az webapp create | missing example for `--scope` parameter

### Describe the bug

This GitHub issue is being moved from Azure DevOps UUF [338476](https://dev.azure.com/msft-skilling/Content/_workitems/edit/338476).
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## Engineering request
Provide an example for the `--scope` parameter

Although this reference command has several examples, `--scope` is a frequently misunderstand parameter value. It would be very helpful to supply an example for our customers to follow. Can `--scope` also be used for user-assigned identities? Can it set the AcrPull role on the user?

## Customer feedback

**Repo:**

azure-docs-cli

**Title:**
az webapp | Microsoft Learn

**Verbatim:**
the az webapp create --scope flag should have an example. Can it also be used for user-assigned identities? can it set the AcrPull role on the user?

**Verbatim Id:**
fbf6ef02-d252-ef11-a317-000d3a59d4e9

**Live URL:**
https://learn.microsoft.com/en-us/cli/azure/webapp

**GitHub URL:**
https://github.com/MicrosoftDocs/azure-docs-cli/blob/live/2017-03-09-profile/docs-ref-autogen/webapp.yml

**UUF Triage App Feedback URL:**
https://aka.ms/UUFTriageApp?pageviewid=e98f377c-36c2-342b-a296-a3ab22e64f9a

### Related command

az webapp create

### Errors

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### Issue script & Debug output

.

### Expected behavior

.

### Environment Summary

Azure CLI 2.66.0

### Additional context

_No response_