Update Konfhub JavaFest Page

[saimanoj75]

• [x] Add the official JavaFest 2024 website link to the Konfhub JavaFest registration page.
• [ ] Change the JavaFest 2024 cover picture on the Konfhub website.
• [x] Update the "About the Event" details on the Konfhub website.
• [ ] Include Early Bird tickets for college and final-year students by offering a promo code for a 5% student scholarship discount and collaborating with college placement departments and heads of departments (HODs).
• [ ] Update the venue details, organizer information, and social media handles.