Update readme

Author: sauzy34

App.js

@@ -1,6 +1,6 @@
 import React, { useState } from 'react'
 import { Text, View } from 'react-native'
-import SelectBox from './lib'
+import SelectBox from 'react-native-multi-selectbox'
 import { xorBy } from 'lodash'
 
 // Options data must contain 'item' & 'id' keys

lib/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-multi-selectbox",
-  "version": "1.4.4",
+  "version": "1.4.5",
   "description": "Platform independent (Android / iOS) Selextbox | Picker | Multi-select | Multi-picker. The idea is to bring out the common user-interface & user-experience on both platforms..",
   "repository": {
     "type": "git",