Add Azure Responses Content Image sample with image url and image base64

[waltervvb]

Description

Add two samples for the Responses interface to generate model responses using image inputs.

[github-actions]

Thank you for your contribution @waltervvb! We will review the pull request and get back to you soon.

[jpalvarezl]

This looks really good. I think it has a couple of formatting issues here and there, but it's almost ready! Thank you.

[azure-sdk]

API change check

API changes are not detected in this pull request.

[waltervvb]

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[waltervvb]

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[github-actions]

Hi @waltervvb. Thank you for your interest in helping to improve the Azure SDK experience and for your contribution. We've noticed that there hasn't been recent engagement on this pull request. If this is still an active work stream, please let us know by pushing some changes or leaving a comment. Otherwise, we'll close this out in 7 days.

[github-actions]

Hi @waltervvb. Thank you for your contribution. Since there hasn't been recent engagement, we're going to close this out. Feel free to respond with a comment containing /reopen if you'd like to continue working on these changes. Please be sure to use the command to reopen or remove the no-recent-activity label; otherwise, this is likely to be closed again with the next cleanup pass.