Add DevExpress MCP Server to the README

[e1em3ntoDX]

Description

This PR adds DevExpress Documentation MCP server to the 3rd party list.

Server Details

Search DevExpress documentation using natural language queries across Angular, Blazor, WPF, WinForms, ASP.NET, React, Vue, and more in the AI Coding Assistant and/or IDE of your choice. Receive instant code examples, implementation guidance, and step-by-step instructions. Built-in tools and prompts guide AI coding agents to help developers build better applications faster with DevExpress components.

Key Features:

• ✨ Natural language search across 20+ DevExpress product lines and 300,000+ help topics
• 💻 Instant code examples and implementation patterns
• 🤖 AI coding agent optimized with specialized tools and prompts
• 📚 Access to comprehensive documentation for Angular, Blazor, WPF, React, Vue, and more
• ⚡ Accelerates development with contextual, accurate guidance

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 (not applicable)
• New and existing tests pass locally (not applicable)
• I have added appropriate error handling (not applicable)
• I have documented all environment variables and configuration options (not applicable)