feat: Add Hyperlane plugin implementation

[ANAVHEOBA]

Background

This PR adds a new plugin for Hyperlane protocol integration, enabling cross-chain messaging and interchain account capabilities in the GOAT SDK.

What does this PR do?

• Adds HyperlanePlugin implementation extending PluginBase
• Implements cross-chain message passing functionality
• Adds support for interchain account (ICA) operations
• Includes gas estimation and message status tracking
• Provides comprehensive TypeScript types and Zod validation
• Adds basic test setup and documentation

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Latest commit: 1a9af70

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