Ensure you have Node.js installed, then install all the build dependencies in the folder where you cloned the repository :
$ npm install
npm run dev
to start the dev server on watch mode atlocalhost:5173
.npm run build
to generate a minified, production-ready build, in thepublic
folder
the Debug Panel is hidden by default and can be displayed using the "S" key, see here for more details about the plugin.