This example demonstrates a minimal "Hello VizHub" visualization that displays a text message on a webpage. The application uses D3.js v5, imported via UNPKG from a CDN, to select and set the text content of an HTML div element. The code also showcases local ES6 module imports, bringing in a message string from a separate `myMessage.js` file. The page is styled with CSS to center and enlarge the message, though no data is rendered or visualized.