Update README.md

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Author: FrancescoMussi

README.md

@@ -34,6 +34,7 @@ If you're looking for v1 check this [branch](https://github.com/apertureless/vue
 ## Install
 
 Yarn install: `yarn add vue-chartjs chart.js`
+
 Npm install: `npm install vue-chartjs chartjs --save`
 
 Or if you want to use it directly in the browser add