Missing documentation

[nathonius]

• [ ] useDebounce
• [x] useEventListener
• [x] useFocus
• [x] useHover
• [ ] useLockBodyScroll
• [x] useOnClickOutside
• [ ] useOnScreen
• [x] useScrollTo
• [ ] useWindowSize

[nathonius]

useOnClickOutside documented in #12

[nathonius]

useEventListener removed in c99e0fd1f533aab2dba0c9cb0b38dccf33bf68c2