Define your components as standard React components, adhering to best practices. Register these components in the `LangGraph.json` configuration file using a component registry.

1. Setup. Create a new React app by running npx create-react-app header-app in your terminal.; cd into header-app.; Install the Material UI library and React Router DOM by running npm i ...

The whole point of creating a Hello World React program is to ensure your Node.js environment works, quickly examine the basic structure of a library or framework, and address any configuration issues ...