This is a project template for Jungle apps. It lives at https://github.com/junglejs/template.
To create a new project based on this template using degit:
npx degit junglejs/template jungle-app
cd jungle-app
Note that you will need to have Node.js installed.
Install the dependencies...
cd jungle-app
npm install
...then start the build/run
npm run start
Navigate to localhost:3000. You should see your app running.