added Vue CLI doc

[asbourlotos]

NOTE:

• Please fill out the template below

Did you read the instructions in the README?

Y

Have you read the instructions in CONTRIBUTING?

Y

Have you written this article by yourself? Have you taken inspiration from anywhere and then written it in your words?

I originally learned from the VueJS website, but have used the commands so much that I didn't have to pull up anything in order to write the document. The commands basically give you all of the information. I did have to practice this and re-write a bit because I was missing installing vue cli before the vue cli service, but that was troubleshot by myself without reference to documentation.

[the-ethan-hunt]

We already have an article on Vue