Create Empty State components

[Akshola00]

Description

Build empty state components for displaying when there is no data (no pools, no transactions, etc.) with helpful messages and CTAs.

Acceptance Criteria

• Empty state shows when no data available
• Displays helpful message or icon
• Includes call-to-action button
• Mobile responsive layout
• Consistent styling across pages
• Build succeeds

Technical Notes

• Reusable across different features
• Show suggested next steps
• Consider illustrations or icons