feat: Update About Section Content for Better Engagement

[akshay0611]

**Summary:
This PR updates the content of the about section to improve clarity, relevance, and engagement. The changes aim to better communicate the platform's strengths and value proposition.

Changes Made:

• Rewrote <h2 class="h2-sm section-title"> to emphasize empowerment and digital success.
• Rewrote <p class="section-text"> to highlight the agency's expertise and offerings.
• Updated <ul class="about-list"> to focus on real-world benefits and value propositions.
• Improved call-to-action buttons for better alignment with user intent.
• Ensured alignment with existing CSS styles and framework conventions.

Testing:

• Verified responsiveness across different screen sizes.
• Ensured proper rendering of the about section and its content.

Related Issue:
Closes #3