added Router Nitro adapter to SushiXSwap adapters

[Shivam78288]

PR-Codex overview

This PR adds Nitro Bridge functionality to the RouterNitroAdapter for cross-chain asset transfers.

Detailed summary

• Added Nitro Bridge functionality to RouterNitroAdapter
• Implemented INitroMessageHandler and INitroAssetForwarder interfaces
• Added addressToBytes and bytesToAddress functions in libraries
• Created tests for RouterNitroAdapterBridgeTest

The following files were skipped due to too many changes: test/NitroAdapterTests/RouterNitroAdapterBridgeTest.t.sol, test/NitroAdapterTests/RouterNitroAdapterSwapAndBridgeTest.t.sol, test/NitroAdapterTests/RouterNitroAdapterExecutesTest.t.sol

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