7.0.0

[SamyPesse]

This PR introduces our new branding with a new Logo and colors.

New documentation

• [x] Locally with live reloading
• [ ] Deploy to production
• [ ] Page about colors
• [ ] Page about typography
• [ ] Page about markdown

Components

• [x] Buttons
  • [x] Button link
  • [x] State disabled
  • [x] Style count
  • [ ] New marketing buttons
• [x] Popovers
• [x] Page head
• [x] List group
• [x] Filter group
• [x] Pagination
• [x] Alerts
• [x] Forms
  • [x] States
• [ ] Blankslates
• [x] Modals
• [ ] Typography
• [x] Tooltips
• [x] Panels
• [x] Footer
• [x] Header