First, thank you for using Stisla. Stisla is a responsive HTML5 admin template based on Bootstrap 4. Using this template you can easily create the layout you want.
You can use this template in PHP Native, Laravel Framework, CodeIgniter or the other depending on the skills that you can acquire.
If you use this template for free then you can create a product using this template and sell it to the marketplace (such as CodeCanyon).