feature(airdrops): Foundational layout components

[0xTxbi]

Description

This PR introduces the core layout components for the new airdrops site.

Issues

Fixes #
Refs #15541

Checklist:

• 1 PR, 1 purpose: my Pull Request applies to a single purpose
• I have commented my code, particularly in hard-to-understand areas
• I have updated the docs to reflect my changes if applicable
• I have added tests (and stories for frontend components) that prove my fix is effective or that my feature works
• I have performed a self-review of my own code
• If my code involves visual changes, I am adding applicable screenshots to this thread

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

2 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
unlock-static-site	⬜️ Ignored (Inspect)			Feb 19, 2025 10:10pm
unlock-storybook	⬜️ Ignored (Inspect)			Feb 19, 2025 10:10pm

[julien51]

Screenshots?

[0xTxbi]

Screenshots?

sure!