feat: Make phone and email clickable in footer

[akshay0611]

Summary: This PR makes the phone number and email address in the footer clickable to improve usability. Users can now directly call or email by clicking the respective links.

Changes Made:

• Updated the phone number to use the tel: protocol for clickable functionality.
• Updated the email address to use the mailto: protocol for clickable functionality.
• Ensured both links are styled consistently with existing link styles.

Testing:

• Verified that the phone number opens the dialer on mobile devices.
• Verified that the email address opens the default email client with the recipient pre-filled.
• Ensured alignment with existing CSS styles and framework conventions.

Related Issue: Closes #9