feat: add chainlink-ccip-burn-mint-tutorial

[jadonamite]

Summary

Adds a cookbook guide for building a Burn and Mint Token Bridge using Chainlink CCIP.

Content

• Author: @jadonamite
• Stack: Chainlink CCIP, Foundry.
• Key Features:
  • SourceBridge.sol: Implements Client.EVM2AnyMessage construction and burning logic.
  • DestinationBridge.sol: Implements CCIPReceiver and minting logic.
  • Usage of EVMExtraArgsV1 for gas limit management.
  • Role-based access control (BRIDGE_ROLE) for secure minting.

Motivation

Demonstrates how to build custom cross-chain token logic (Burn/Mint) using CCIP's arbitrary messaging capabilities, providing a clear alternative to standard Lock/Mint bridges.

Verification

• Verified Chain Selectors for Base Sepolia (10344971235874465080) and Arbitrum Sepolia.
• Verified Router addresses.
• Tested compilation with smartcontractkit/ccip-contracts.

[cb-heimdall]

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