Design welcome banner

Problem/Motivation

Design welcome banner

Proposed resolution

Take reference from last year's design: https://www.figma.com/design/9OqZJQBIW8nHGdTeuIDqGp/Design?node-id=369-1...

- Change Date/Year
- Remove DIA branding
- Remove venue
- Update Sponsors [Diamond biggest, Platinum bigger, Gold Normal, Module sponsors small)
- Social (Twitter -> X, Add LinkedIn | Or QR)
- More Redesign