Add semantic image search sample app

[pamelafox]

Added a new sample app for semantic image search using Azure AI.

Your template repository

https://github.com/Azure-Samples/image-search-aisearch

• Added an entry to https://github.com/Azure/awesome-azd/blob/main/website/static/templates.json that includes:

  • Template title - A short title that reflects the local application stack that someone could use to get their application on Azure (e.g. "Containerized React Web App with Java API and MongoDB")

  • Description - 1-2 sentence description of the architecture (e.g. Azure services) or solution that is defined by the template.

  • Architecture Diagram or Application Screenshot - The image should include all services and their connections (example). You should add the image to the website/static/templates/images.

  • Link to Author's GitHub or other relevant website - Used for attribution

  • Author's Name - Name to credit on the gallery card

  • Link to template source - Link to the template GitHub repo

  • Tags - Specify tags to represent the template. If you don't see a relevant tag for your template? Feel free to add one!

  • Languages Tags - Tags for languages representing the template.

  • Azure Services Tags - Tags for azure services representing the template.

  • ID - Please provide a unique uuid.

    Required tags:

    • Tag your template as Microsoft-authored ("msft") or Community-authored ("community")
    • Tag the IaC provider ("bicep" or "terraform")
    • Add the "new" tag for any newly authored templates

• In the PR comment, if you can also add a link to the PR where you made your repo azd compatible this will allow us to provide feedback on your template and speed up the review process.

• If the template is Microsoft-authored, we encourage you to also publish it to learn.microsoft.com/samples.

[hemarina]

@pamelafox Checking in to see if you still want to mark this PR as WIP.