Backend rendering support for tabs component

[omegascorp]

Add data-name attribute to each tab
Hide all divs with data-tab attribute
Add data-selected attribute to element for which data-tab is equivalent of data-name attribute of current tab
Separate group of tabs via data-group attribute

Example of usage:

<div data-group>
  <Tabs
    options={[{
      title: 'Tab 1'
      name: 'tab1'
    }, {
      title: 'Tab 2'
      name: 'tab2'
    }]}
    value='tab1'
  />
  <div data-tab="tab1">tab1</div>
  <div data-tab="tab2">tab2</div>
</div>