feat: add Black Friday integration

[Soare-Robert-Daniel]

Summary

Add Black Friday integration.

Will affect visual aspect of the product

NO

Screenshots

Test instructions

• Alter the date to fall into the Black Friday sales period.

You can install this plugin or you can use this hook to modify the date:

add_filter(
	'themeisle_sdk_current_date',
	function() {
		return new DateTime( '2025-11-26' );
	}
);

Check before Pull Request is ready:

• I have written a test and included it in this PR
• I have run all tests and they pass
• The code passes when running the PHP CodeSniffer
• Code meets WordPress Coding Standards for PHP, HTML, CSS and JS
• Security and Sanitization requirements have been followed
• I have assigned a reviewer or two to review this PR (if you're not sure who to assign, we can do this step for you)

Closes #.

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🎉 This PR is included in version 0.13.18 🎉

The release is available on GitHub release

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