Add DeployHQ integration details to README (#2984)

Add deployhq-mcp-server to third-party servers

Co-authored-by: adam jones <domdomegg+git@gmail.com>

README.md

@@ -187,6 +187,7 @@ Official integrations are maintained by companies building production ready MCP
 - <img height="12" width="12" src="https://www.deepl.com/img/logo/deepl-logo-blue.svg" alt="DeepL Logo" /> **[DeepL](https://github.com/DeepLcom/deepl-mcp-server)** - Translate or rewrite text with [DeepL](https://deepl.com)'s very own AI models using [the DeepL API](https://developers.deepl.com/docs)
 - <img height="12" width="12" src="https://web-st.oss-cn-shanghai.aliyuncs.com/www/static/icon/bitbug_favicon.ico" alt="DeepQ Logo"> **[DeepQ](https://github.com/shenqingtech/deepq-financial-toolkit-mcp-server)** - DeepQ Technology's Financial Toolkit MCP Server is an Chinese Financial AI toolkit provides comprehensive financial data and analytical tool support for AI large language models.
 - <img height="12" width="12" src="https://defang.io/_next/static/media/defang-icon-dark-colour.25f95b77.svg" alt="Defang Logo" /> **[Defang](https://github.com/DefangLabs/defang/blob/main/src/pkg/mcp/README.md)** - Deploy your project to the cloud seamlessly with the [Defang](https://www.defang.io) platform without leaving your integrated development environment
+- <img height="12" width="12" src="https://deployhq.com/assets/favicon-357ebe39b58f28869358da83948e76e7cadfb0791c97af34abfe346f5e3ef634.png" alt="DeployHQ Logo" /> **[DeployHQ](https://github.com/deployhq/deployhq-mcp-server)** – MCP server for DeployHQ API integration, enabling AI assistants to manage deployments, list projects, and monitor deployment status.
 - <img height="12" width="12" src="https://destinia.com/headers/ilusion/sunrise/dist/favicon/favicon-16x16.png?v=PCJysKzN" alt="Destinia Logo" /> **[Destinia](https://destinia.com/developers)** - Provider tools to search for hotels in Destinia and get listing details.
 - <img height="12" width="12" src="https://detailer.ginylil.com/favicon.ico" alt="Detailer Logo" /> **[Detailer](https://detailer.ginylil.com/)** – Instantly generate rich, AI-powered documentation for your GitHub repositories. Designed for AI agents to gain deep project context before taking action.
 - <img height="12" width="12" src="https://devcycle.com/_next/image?url=%2Fassets%2Fbrand%2FColor-logo-mark.png&w=384&q=75" alt="DevCycle Logo" /> **[DevCycle](https://docs.devcycle.com/cli-mcp/mcp-getting-started)** - Create and monitor feature flags using natural language in your AI coding assistant.