Add `az storage blob sync` command for automatic blob synchronization

[EncryptedNomadOmega87]

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[yonzhan]

Please create this feature ask following the template https://github.com/Azure/azure-cli/blob/dev/doc/how_to_request_a_feature_in_cli.md

[microsoft-github-policy-service]

Thanks for the feedback! We are routing this to the appropriate team for follow-up. cc @xgithubtriage.

[EncryptedNomadOmega87]

[EncryptedNomadOmega87]

**Hi @xgithubtriage, just checking in to see if there's been any progress or updates on this issue. It's currently marked as "Backlog" with "Service Attention," and I’d appreciate any insight into next steps or timelines. Thanks!
**