Update README.md

[KiraJin223]

Description

Add an official MCP Server form Tencent RTC https://trtc.io/.
Tencent RTC- The MCP Server enables AI IDEs to more effectively understand and use Tencent's Real-Time Communication SDKs and APIs, which significantly streamlines the process for developers to build audio/video call applications.

Server Details

• Server: Tencent RTC MCP Server https://github.com/Tencent-RTC/mcp
• Changes to: Add an official MCP Server item in the server ReadMe file.

Motivation and Context

Add an official MCP Server from Tencent RTC Team.

How Has This Been Tested?

We have already tested all the tools of the MCP Server for using the Tencent RTC SDK service and implement the video can audio call functions.

Breaking Changes

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