Improve service-bus-async-messaging.md

[jasontaylordev]

Introduces a short contextual note referencing well-known Starbucks messaging analogies. This helps readers better understand asynchronous scalability and common Service Bus behaviours.

[prmerger-automator]

@jasontaylordev : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

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[ttorble]

@jasontaylordev PRs can't be merged when they're in draft mode. Make the PR ready for review if you have nothing further to add. Thanks.

@spelluru

Can you review the proposed changes?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team

[spelluru]

@ttorble - Please assign this to the PM (@EldertGrootenboer), who can review and provide feedback.

@jasontaylordev - Please click "Ready for review" button at the bottom of the page move the PR from the draft mode to Review mode. Thanks.

[spelluru]

#reassign: @EldertGrootenboer

[v-dirichards]

@jasontaylordev @EldertGrootenboer Can you take this PR out of draft mode? We can't merge it when it's a draft.

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

Thanks.

[jasontaylordev]

Thanks, @v-dirichards. The pull request is now out of draft mode.

[Copilot]

Pull request overview

This PR enhances documentation for Azure Service Bus asynchronous messaging by adding a reference to well-known Starbucks analogies that explain asynchronous scalability patterns. The addition provides readers with accessible, real-world mental models for understanding Service Bus behavior.

Key Changes:

• Added a contextual note with links to two Starbucks-themed articles about asynchronous messaging patterns

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