Sweep: Create a button and a secciton of marketing and buy it (✓ Sandbox Passed)

[jackeldestripat]

Description

This pull request contains the following changes:

• Added a new HTML file main.html with Tailwind CSS integration for styling.
• Created a button with a 'Buy Now' text and custom styling using Tailwind classes.
• Introduced a marketing section that includes an image, title, and description.

  Summary

• [ ] Created new HTML file (main.html) - Contains the structure for a simple web page with Tailwind CSS integration.
• [ ] Added button element - Uses custom styling with a 'Buy Now' text.
• [ ] Introduced marketing section - Includes an image, title, and description to promote products on the page.

Fixes #29.

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[jackeldestripat]

Rollback Files For Sweep

• [ ] Rollback changes to src/main.html
• [ ] Rollback changes to base.html

[jackeldestripat]

Apply Sweep Rules to your PR?

• [ ] Apply: All new business logic should have corresponding unit tests.
• [ ] Apply: Refactor large functions to be more modular.
• [ ] Apply: Add docstrings to all functions and file headers.