nav help to add navigation menu on bottom of page.
You can just have once nav per page.
- name: name
- bgColor : background color
- color : color of text
- unselectedItemColor : unselected item (text and icon) color
- index: active index of nav items
- onTap : even run when tap on nav
- items: menu items (explanation below)
- hide: hiding component (if you check it, the component hiding)
Here you can add or remove menu items, or sort (drag to up or down), The items has icon and label (text), to define code for items, double click on them.
