update Readme with install location

Author: jawa-the-hutt

Diff for: README.md

@@ -90,7 +90,7 @@ Before installing the Nativescript-Vue CLI 3 Plugin, make sure to commit or stas
 To install the Nativescript-Vue CLI 3 Plugin...
 ```
 cd my-app
-npm install --save-dev git+https://github.com/jawa-the-hutt/vue-cli-plugin-nativescript-vue
+npm install --save-dev vue-cli-plugin-nativescript-vue
 vue invoke vue-cli-plugin-nativescript-vue
 ```