update README.md for vue-i18n > 6.x (martinlindhe#49)

* update README.md for vue-i18n > 6.x

* fix typo in README.md

Author: iben12

README.md

@@ -42,38 +42,51 @@ Then generate the include file with
 php artisan vue-i18n:generate
 ```
 
-Assuming you are using a recent version of vue-i18n, adjust your vue app with something like:
+Assuming you are using a recent version of vue-i18n (>=6.x), adjust your vue app with something like:
 ```js
 import Vue from 'vue';
-import VueInternalization from 'vue-i18n';
-import Locales from './vue-i18n-locales.generated.js';
+import VueInternationalization from 'vue-i18n';
+import Locale from './vue-i18n-locales.generated';
 
-Vue.use(VueInternalization);
+Vue.use(VueInternationalization);
 
-Vue.config.lang = 'en';
+const lang = document.documentElement.lang.substr(0, 2); 
+// or however you determine your current app locale
 
-Object.keys(Locales).forEach(function (lang) {
-  Vue.locale(lang, Locales[lang])
+const i18n = new VueInternationalization({
+    locale: lang,
+    messages: Locale
 });
 
-...
+const app = new Vue({
+    el: '#app',
+    i18n,
+    components: {
+       ...
+    }
+}
 ```
 
-
-For older vue-i18n, the initialization looks something like:
-
+For older vue-i18n (5.x), the initialization looks something like:
 ```js
 import Vue from 'vue';
 import VueInternationalization from 'vue-i18n';
 import Locales from './vue-i18n-locales.generated.js';
 
-Vue.use(VueInternationalization, {
-    lang: 'en',
-    locales: Locales
+Vue.use(VueInternationalization);
+
+Vue.config.lang = 'en';
+
+Object.keys(Locales).forEach(function (lang) {
+  Vue.locale(lang, Locales[lang])
 });
 
 ...
 ```
+
+
+
+
 ## Using vuex-i18n
  
 ### vuex-i18n