Added menu components

[renoguyon]

Hey, I've added menu collection components, based on your code structure and following official semantic-ui doc (https://semantic-ui.com/collections/menu.html)

[almino]

I was planning to accept menu items as a prop.
Submenu could have a header prop.
Since the framework's name is Semantic UI, I would like to have classes ordered in a semantic way.

I'll find a way to accept your codes changes at the develop branch and make little tweaks. When it becomes master, I'll include you profile link on contributors.

[renoguyon]

Hi,

I'll check that. By the way, do you plan do implement javascript modules? Such as dropdown, popup, sidebar, tabs, etc.?

I'll need all of these for a project I'm working on, maybe we can split the job. Do you consider using semantic JS library (with jquery as dependency) or re-write everything without jquery?

[almino]

The goal is not to use jQuery at all.

Right now, I'm working on Dropdown and DatePicker.

There's a popup example on my DatePicker.vue.