Add OutboundGateway to the DevOps tools

[tmikulin]

🚀 Summary

✅ Checklist

• I have read the contribution guidelines
• The tool is AI-related and useful for developers
• I have added a short, clear description of the tool
• The link is not a duplicate of an existing one
• The title of the link is properly capitalized
• The link follows the Awesome List format (- [Tool Name](link) – description)
• My change does not include unrelated files or changes

📌 Why is this tool awesome?

This tools gives out AI agents and mcp servers quality static outbound ips for ip whitelisting purposes.

🔗 Link

📝 Additional context