TotomInc/vue3-select-component

AI Summary: Add a `tabindex` prop to the `vue3-select-component` to allow developers to control the tab order of the select input within their forms. This requires modifying the component's code to accept and apply the `tabindex` attribute to the relevant DOM element.

AI Summary: The task is to debug and fix a bug in the `vue3-select-component` where the `option-deselected` event isn't triggered when removing a selection using the backspace key. The fix should ensure the event fires consistently regardless of whether the selection is removed via mouse click or backspace.