Added About page and few updates

[sukumar0]

Title:

Added new About page for website.

Overview:

This pull request introduces a new About page to provide visitors. Additionally, changed the background color of the submit button to blue.

Changes Made:

• Added a dedicated About page with dummy content and a footer section.
• Updated the title tags.
• Modified the CSS to change the background color of the submit button to blue. The button now transitions smoothly from grey to blue when hovered, enhancing user interaction.
• Tried several other code modifications to experiment with new features and improvements.

Testing:

• Manually tested the website on browser (Chrome) to ensure proper functionality and visual consistency.
• Verified that the submit button behaves as expected and that the About page displays correctly across different screen sizes.

Additional Notes:

• The changes have been carefully optimized to ensure minimal performance impact.
• The decision to change the button color to blue was based on user feedback and design considerations, aiming to create a more cohesive and engaging user experience.
• Your review and feedback are appreciated. Thank you!