Add Hyperliquid MCP server

[mektigboy]

Description

Added Hyperliquid MCP Server to the third-party servers list in the main README.

Server Details

• Server: N/A (just updating main README)
• Changes to: Documentation only

Motivation and Context

Adding my Hyperliquid MCP server to the community servers list to increase visibility and help users discover this integration option.

How Has This Been Tested?

N/A - Documentation change only

Breaking Changes

None

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have read the MCP Protocol Documentation
• My changes follows MCP security best practices
• I have updated the server's README accordingly
• I have tested this with an LLM client
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have documented all environment variables and configuration options

Additional context

This is just a README update to add my Hyperliquid MCP server to the community servers list.