To connect with Netlify Account
Go to Deployment Settings (https://www.gridbox.io/app/account/deployment-settings)
Click on the Authorize Netlify button
Login to Netlify Account if you've one or create a new account.
Now you're connected.
Publishing a Project to Netlify
Open the Project you've created.
From the left toolbar - Click on Netlify Icon.
Click on the Publish to Netlify
That's it your Project will be deployed to Netlify - with auto generated url.