fix: Replace repeated popular post title with a unique one

[akshay0611]

Summary: This PR replaces the repeated title "Being unique is better than being perfect" in the last card of the popular posts section with a unique and relevant title. The changes aim to improve variety and engagement.

Changes Made:

• Updated the title of the last card to "The power of vulnerability: Embrace your authentic self."
• Updated the alt attribute of the associated image for better accessibility and context.
• Ensured alignment with existing CSS styles and framework conventions.

Testing:

• Verified responsiveness across different screen sizes.
• Ensured proper rendering of the cards and their content.

Related Issue: Closes #11