design: add Light Mode Figma designs for escrow settlement, driver earnings, cargo approvals, and audit logs

[Temi709]

Summary

This PR addresses the following UI/UX design issues in SwiftChain_Frontend:

• Escrow Fund Release & Settlement Confirmation
• Driver Earnings Wallet & Payout System
• High-Value Cargo Multi-Signature Approval Modal
• Smart Contract Audit Trail & Event Logs (List View)

Design Deliverables

• Created high-fidelity Figma designs following the platform's Light Mode design system.
• Designed the escrow settlement confirmation screen with a clear breakdown of driver payouts and platform fees.
• Designed the driver earnings dashboard for available balances, pending escrow funds, and Stellar wallet withdrawals.
• Designed a multi-signature approval modal for high-value cargo transactions and sensitive fund releases.
• Designed a read-only audit log list displaying blockchain events throughout a delivery's lifecycle.
• Applied consistent typography, spacing, alignment, reusable components, and auto-layout.
• Included responsive layouts and organized frames and layers for design maintainability.

Testing and Validation

• Verified visual consistency across the four design sections.
• Reviewed Light Mode contrast, readability, spacing, and component organization.
• Confirmed responsive layout coverage.

Scope

This PR contains Figma UI/UX design deliverables only. No frontend implementation or smart contract changes are included.

Related Issues

Closes #604
Closes #606
Closes #608
Closes #610

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@Temi709 Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

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[Tybravo]

@Temi709

I appreciate your contribution to the project