Fix Docker Compose to use proper Model Runner implementation from pen-shop-demo

Create corrected setup script following pen-shop-demo architecture

Add Qwen model setup instructions for host-based deployment

Fix Docker Compose to follow pen-shop-demo architecture: MCP Gateway on port 8081 and Qwen on host via Model Runner

Update README.md

Add secure Docker Compose configuration with hardened images

Create comprehensive README for Moby SwagStore demo

Initial commit