When the user selects the add (+) button in the list view, the task input view is shown. The user can add information for the task. Only the title is required. The Save button can only be selected when a title is given. It is not possible to add a task that is already on the list. The Cancel button dismisses the view. The task input view will look like this:
User stories:
- As a user, given that I tapped the add (+) button in the item list, I want to see a form to put in the details (title, optional date, optional location name, optional address, and optional description) of a to-do item
- As a user, I want to add a to-do ...
