Build: reduce npm package size to include only dist folder

New release for vue 3

Style now uses CSS variables in :root element for easier override

Option to split increment and decrement values.
Fixes on dependencies security

Adding form input (type hidden) linked to integer value

adding disabled option

Component fits as spinbutton, allowing keyboard functionalities (up/down arrows or page up/down to increment/decrement, home/end to min/max)
Thanks to codekipple

Increment and decrement events