To start building a template, you will first need a GitHub Account, click here to create one. Now that you have an account (or if you already have an account), open up the default Zesty.io template example. Once you are signed in to github and on the 'plate-starting-foundation' template, fork it.
.tpl files for every view in the Plate.xml
Now go to the Zesty.io Account Manager. After clicking the new web property button, in the top right area of the 'Select a Design Framework' screen you will be given the option to upload your custom template.
From the 'My Account' page, click on 'Add New Framework'. Fill out the manager page to finalize your templates creation.