Add ONLYOFFICE DocSpace MCP Server

[LinneyS]

Description

This PR adds the official ONLYOFFICE DocSpace MCP Server to the list of official integrations.

Motivation and Context

The ONLYOFFICE DocSpace MCP Server allows to create rooms, manage files and folders with API.

How Has This Been Tested?

The server have been tested with Claude Desktop, VSCode, Windsurf and Cursor as the MCP client.

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

ONLYOFFICE DocSpace MCP Server

[olaservo]

Thanks for your contribution to the servers list. This has been merged in this combined PR: #2075

This is a new process we're trying out, so if you see any issues feel free to re-open the PR and tag me.