Add @unirate/nestjs to ecosystem footer

Author: rob-browncc

README.md

@@ -191,7 +191,7 @@ ecosystem. The repos below are all maintained under the
 [UniRate-API](https://github.com/UniRate-API) org.
 
 - **Languages:** [Python](https://github.com/UniRate-API/unirate-api-python) · [Node.js / TypeScript](https://github.com/UniRate-API/unirate-api-nodejs) · [Go](https://github.com/UniRate-API/unirate-api-go) · [Rust](https://github.com/UniRate-API/unirate-api-rust) · [Java](https://github.com/UniRate-API/unirate-api-java) · [Ruby](https://github.com/UniRate-API/unirate-api-ruby) · [PHP](https://github.com/UniRate-API/unirate-api-php) · [.NET](https://github.com/UniRate-API/unirate-api-dotnet) · [Swift](https://github.com/UniRate-API/unirate-api-swift)
-- **Web frameworks:** [Django / Wagtail](https://github.com/UniRate-API/wagtail-unirate) · [FastAPI](https://github.com/UniRate-API/fastapi-unirate) · [Flask](https://github.com/UniRate-API/flask-unirate) · [React](https://github.com/UniRate-API/react-unirate) · [tRPC](https://github.com/UniRate-API/trpc-unirate)
+- **Web frameworks:** [NestJS](https://github.com/UniRate-API/nestjs-unirate) · [Django / Wagtail](https://github.com/UniRate-API/wagtail-unirate) · [FastAPI](https://github.com/UniRate-API/fastapi-unirate) · [Flask](https://github.com/UniRate-API/flask-unirate) · [React](https://github.com/UniRate-API/react-unirate) · [tRPC](https://github.com/UniRate-API/trpc-unirate)
 - **Static-site generators:** [Astro](https://github.com/UniRate-API/astro-unirate) · [Eleventy](https://github.com/UniRate-API/eleventy-unirate) · [Hugo](https://github.com/UniRate-API/hugo-unirate)
 - **Data / orchestration:** [Airflow](https://github.com/UniRate-API/airflow-provider-unirate) · [dbt](https://github.com/UniRate-API/dbt-unirate) · [LangChain](https://github.com/UniRate-API/langchain-unirate)
 - **Workflow / no-code:** [n8n](https://github.com/UniRate-API/n8n-nodes-unirate) · [Google Sheets](https://github.com/UniRate-API/unirate-sheets) · [MCP server](https://github.com/UniRate-API/unirate-mcp)