Added build cross chain identity and reputation system

[Nabeelahh]

closes #65

Description:
This PR introduces a decentralized identity and reputation framework designed to operate seamlessly across multiple chains. The system enables trusted property transactions and user verification by integrating decentralized identifiers (DIDs), reputation scoring, and privacy-preserving verification mechanisms. It also provides recovery features and a user-facing dashboard for identity management.

Features Implemented:

• Cross-chain identity verification protocol** for secure and interoperable user validation
• Reputation scoring system** based on transaction history and trust metrics
• Decentralized Identity (DID) integration** for standardized identity representation
• Trust and verification mechanisms** for counterparties in property transactions
• Identity recovery & social recovery features** to safeguard against key loss
• Reputation-based access controls and privileges** for enhanced governance
• Privacy-preserving identity verification** using cryptographic proofs
• Identity management dashboard and controls** for user-friendly oversight

Files Modified:

• contracts/identity/ → New module for decentralized identity and reputation
• contracts/lib/src/lib.rs → Integrated identity verification logic
• tests/identity/ → Added identity-specific tests and cryptographic verification

Impact:
This implementation lays the foundation for a trusted, decentralized identity layer across chains, enabling secure property transactions, user verification, and governance based on reputation.

[drips-wave]

@Nabeelahh 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! 🚀

Learn more about application limits