updated vue 2 version

Author: dipaksarkar

docs/guide/README.md

@@ -20,7 +20,7 @@ Get all the essentials features Starting at £0.99/mo<br>
 ## Installation
 
 ::: warning
-Install the npm package @coders-tm/vue-number-format@2.2.12 for Vue 2.0
+Install the npm package @coders-tm/vue-number-format@2.4.0 for Vue 2.0
 :::
 
 <CodeGroup>