Update README.md

[arcolano]

Description

Include link to the official Jellyfish MCP server in the README
https://github.com/Jellyfish-AI/jellyfish-mcp

Server Details

jellyfish-mcp
https://github.com/Jellyfish-AI/jellyfish-mcp

Motivation and Context

Adding link to an external (official) server.

How Has This Been Tested?

Tested by connecting to multiple MCP hosts (Claude Desktop, Copilot in VSCode, Cline) and asking it to pull various data from the Jellyfish API. Also ran through our security process (see SECURITY.md in the jellyfish-mcp repo for details).

Breaking Changes

N/A

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

N/A