Add: Inner middleware

## Reference

https://floating-ui.com/docs/inner

## Description

Positions the floating element such that an inner element inside of it is anchored to the reference element, while handling scroll and overflow behavior.

## Props

- Inner Props: https://floating-ui.com/docs/inner#inner-props
- useInnerOffset Props: https://floating-ui.com/docs/inner#useinneroffset-props