fix(retail): add region tag for JS - Update get-product.js

[rebeccaellis]

Description

Fixes #415382524

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Checklist

• I have followed guidelines from CONTRIBUTING.MD and Samples Style Guide
• Tests pass: npm test (see Testing)
• Lint pass: npm run lint (see Style)
• Required CI tests pass (see CI testing)
• These samples need a new API enabled in testing projects to pass (let us know which ones)
• These samples need a new/updated env vars in testing projects set to pass (let us know which ones)
• This pull request is from a branch created directly off of GoogleCloudPlatform/nodejs-docs-samples. Not a fork.
• This sample adds a new sample directory, and I updated the CODEOWNERS file with the codeowners for this sample
• This sample adds a new sample directory, and I created GitHub Actions workflow for this sample
• This sample adds a new Product API, and I updated the Blunderbuss issue/PR auto-assigner with the codeowners for this sample
• Please merge this PR for me once it is approved

Note: Any check with (dev), (experimental), or (legacy) can be ignored and should not block your PR from merging (see CI testing).

[snippet-bot]

Here is the summary of changes.

You are about to add 1 region tag.

• retail/interactive-tutorials/product/get-product.js:14, tag retail_get_product

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[gemini-code-assist]

Summary of Changes

Hello @rebeccaellis, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses issue #415382524 by adding region tags to the get-product.js file. These tags help in identifying and managing specific sections of code, likely for documentation or code management purposes.

Highlights

• Region Tag: Added region tags [START retail_get_product] and [END retail_get_product] to delineate the relevant code block.

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[gemini-code-assist]

Code Review

The pull request adds [START retail_get_product] and [END retail_get_product] region tags to the retail/interactive-tutorials/product/get-product.js script. These tags are correctly formatted and their placement defines a comprehensive, runnable code sample. The changes include the 'use strict' directive, the main function (which handles imports, product creation, retrieval, and deletion), the script's error handling, and its invocation. These modifications align with the conventions outlined in the Google Samples Style Guide (referenced in the PR description) for creating self-contained examples. No issues of medium or higher severity were identified in the addition of these region tags.