Update readme

Author: robbinjohansson

README.md

@@ -17,17 +17,17 @@ $ npm i vue-scroll-indicator --save-dev
 #### Setup:
 
 ```javascript
-// register the plugin
-import Vue from 'vue'
-import VueScrollIndicator from 'vue-scroll-indicator'
+// register the plugin globally
+import Vue from 'vue';
+import VueScrollIndicator from 'vue-scroll-indicator';
 
-Vue.use(VueScrollIndicator)
+Vue.use(VueScrollIndicator);
 
 // ... or register the component manually
-import Vue from 'vue'
-import { VueScrollIndicator } from 'vue-scroll-indicator'
+import Vue from 'vue';
+import {VueScrollIndicator} from 'vue-scroll-indicator';
 
-Vue.component('vue-scroll-indicator', VueScrollIndicator)
+Vue.component('vue-scroll-indicator', VueScrollIndicator);
 ```
 
 ## Usage