doc: add new server: Fluent MCP

[modesty]

update README to add a new community server Fluent-MCP for Fluent (ServerNow SDK)

Description

Server Details

• New Server: https://github.com/modesty/fluent-mcp

Motivation and Context

Provides access to ServiceNow SDK, including CLI commands, API specs and code snippets for ServiceNow developers

How Has This Been Tested?

• built in Jest tests: npm test
• Intergrate with MCP clients, including Claude desktop, Windsurf MCP, GitHub Colpilot Agent Mode

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

API specs / snippets covers major metadata types on NOW platform