Enhanced Supply Chain Transparency Using Blockchain Integration

[dharshan18102006]

This pull request improves the transparency of the supply chain system by integrating blockchain-based tracking and verification.

• Added blockchain ledger updates for every transaction stage.
• Improved UI components in the client app for transparency visualization.
• Enhanced smart contract interactions for supplier and product traceability.
• Fixed minor bugs and optimized data flow between frontend and backend.

These changes make it easier to track and verify product movement across the supply chain, ensuring authenticity and trust.

Addresses: Supply Chain Transparency Problem