Specify audience for Docker MCP Toolkit content

Added target audience information for the Docker MCP Toolkit.

Author: pareenaverma

content/learning-paths/servers-and-cloud-computing/docker-mcp-toolkit/_index.md

@@ -5,6 +5,8 @@ description: Learn how to use the Docker MCP Toolkit with the Arm MCP Server and
 
 minutes_to_complete: 45
 
+who_is_this_for: This is an advanced topic for developers and DevOps engineers who want to automate the migration of containerized applications from x86 to Arm64 using AI-powered tools in the Docker MCP Toolkit.
+
 learning_objectives:
   - Describe how the Model Context Protocol (MCP) enables AI coding assistants to invoke structured migration tools through the Arm MCP server
   - Explain how the Docker MCP Toolkit connects AI coding assistants to Arm MCP server