Unify imports in docs

Author: danielkcz

docs/useEvent.md

@@ -6,8 +6,7 @@ React sensor hook that subscribes a `handler` to events.
 ## Usage
 
 ```jsx
-import useEvent from 'react-use/lib/useEvent';
-import useList from 'react-use/lib/useList';
+import {useEvent, useList} from 'react-use';
 
 const Demo = () => {
   const [list, {push, clear}] = useList();

docs/useFullscreen.md

@@ -5,8 +5,7 @@ Display an element full-screen, optional fallback for fullscreen video on iOS.
 ## Usage
 
 ```jsx
-import useFullscreen from 'react-use/lib/useFullscreen';
-import useToggle from 'react-use/lib/useToggle';
+import {useFullscreen, useToggle} from 'react-use';
 
 const Demo = () => {
   const ref = useRef(null)

docs/useInterval.md

@@ -6,7 +6,7 @@ React hook that allow you using declarative `setInterval`.
 
 ```jsx
 import * as React from 'react';
-import useInterval from 'react-use/lib/useInterval';
+import {useInterval} from 'react-use';
 
 const Demo = () => {
   const [count, setCount] = React.useState(0);

docs/useKey.md

@@ -5,7 +5,7 @@ React UI sensor hook that executes a `handler` when a keyboard key is used.
 ## Usage
 
 ```jsx
-import useKey from 'react-use/lib/useKey';
+import {useKey} from 'react-use';
 
 const Demo = () => {
   const [count, set] = useState(0);

docs/useKeyPress.md

@@ -7,7 +7,7 @@ key on their keyboard.
 ## Usage
 
 ```jsx
-import useKeyPress from 'react-use/lib/useKeyPress';
+import {useKeyPress} from 'react-use';
 
 const keys = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '0'];
 

docs/useKeyPressEvent.md

@@ -9,7 +9,7 @@ if you press and hold a key, it will fire `keydown` callback only once.
 
 ```jsx
 import React, { useState } from React;
-import useKeyPressEvent from 'react-use/lib/useKeyPressEvent';
+import {useKeyPressEvent} from 'react-use';
 
 const Demo = () => {
   const [count, setCount] = useState(0);

docs/useSpring.md

@@ -6,7 +6,7 @@ to spring dynamics.
 ## Usage
 
 ```jsx
-import useSpring from 'react-use/lib/useSprint';
+import useSpring from 'react-use/lib/useSpring';
 
 const Demo = () => {
   const [target, setTarget] = useState(50);

docs/useStartTyping.md

@@ -6,7 +6,7 @@ to focus default input field on the page.
 ## Usage
 
 ```jsx
-import useStartTyping from 'react-use/lib/useStartTyping';
+import {useStartTyping} from 'react-use';
 
 const Demo = () => {
   useStartTyping(() => alert('Started typing...'));