Ghost has no inbuilt feature for contact page, for that you have to use a third party service. Our theme support Formspree and Getform.
If you want to add contact form in your site same as the demo, then follow this steps.
- Create an Endpoint for your form (You can choose between Formspree or Getform)
- Go to Gear Icon > Design > Site-wide on the left, and copy your Endpoint
- Create new page then click on gear icon from right side and sroll down finaly, select Template Contact