Add official Render MCP server to README.md

[peggyrayzis]

Description

Add official Render MCP server to README

Note: I consult w/ Render, please direct questions to @StephenBarlow @Borets

Server Details

n/a

Motivation and Context

The official Render MCP server is in GA

How Has This Been Tested?

Claude Code, Cursor, Claude Desktop, Windsurf, and other popular AI tools

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

[olaservo]

Hi @domdomegg looks like I'm not allowed to approve after fixing conflicts. I thought I saw you doing that here before so not sure what happened here. Could you take a look at this? Thanks!