feat: Update hero section content for better relevance

[akshay0611]

Summary: This PR updates the content of the hero section to improve clarity, relevance, and engagement. The changes aim to better communicate the platform's value proposition and motivate users to take action.

Changes Made:

• Rewrote the content of <h1 class="h1 hero-title"> to "Play, Compete, Dominate" for a more engaging and relevant tone.
• Rewrote the content of <p class="hero-text"> to highlight the platform's focus on match creation, global competition, and skill improvement.
• Updated the button text to "Get Started" for a more actionable call-to-action.
• Ensured alignment with existing CSS styles and framework conventions.

Testing:

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

Related Issue: Closes #18