Walmart Scraper Module Added

[VesperAkshay]

Description

The changes made in this pull request should be briefly described.

Resolves: #1095

Checklist

Before submitting this pull request, kindly verify that the ensuing checkpoints have been reached.

• Have you adhered to the repository's defined coding convention rules?
• Have you updated the 'documentation.md' file with the method/function documentation?
• Have you sent a message along with the result or response?
• Have you used the try-catch technique?
• Has the method/class been added to the documentation (md file)?

Screenshots

Additional Notes/Comments

Any additional remarks or suggestions concerning this pull request are welcome.

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I certify that I have carried out the relevant checks and provided the requisite screenshot for validation by submitting this pull request.
I appreciate your contribution.

[nikhil25803]

• The scraper methods are not working properly and returning [] (empty array)
• Also the test file are throwing error.
• Upload the screenshot of the scraped result of a sample query