Update README with image and header adjustment

[dev-bre]

Description

Added an image to the README and adjusted header.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

Related Issue

Closes #(issue number)

How Has This Been Tested?

Describe the tests you ran and how to reproduce them.

Screenshots (if applicable)

Add screenshots to help explain your changes.

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes