hub-mcp: add newline under title

Signed-off-by: Craig <craig.osterhout@docker.com>

Author: craig-osterhout

content/manuals/ai/mcp-catalog-and-toolkit/hub-mcp.md

@@ -29,6 +29,7 @@ The Docker Hub MCP Server is a Model Context Protocol (MCP) server that interfac
 > which means Gordon can automatically interact with your MCP servers.
 
 ## Using other clients
+
 If want to integrate the Docker Hub MCP Server into your own development environment, you can find the source code and installation instructions on our [GitHub repository](https://github.com/docker/hub-mcp).
 
 ## Use Claude Desktop as a client