How to make my board a template?
You can create templates from any of your existing boards.
Go to the board settings by clicking on the board’s name in the upper left corner of the screen and choosing Board settings in the drop-down menu.
The panel on the right of your screen will open. Find the Actions section in the lower right corner of the panel and click Convert to template.
You will see a pop-up window saying that a template is being created.
You will see the templated opened as a new board. You may make edits and they will be saved automatically.
Whenever you need to create a board from this template, you will be able to find it in the Templates tab.