`Tabs`: different layouts and features

[nexushoratio]

• [x] #191

• [ ] #258

• Description along with name in tab
• Tablist should have attribute aria-orientation with either horizontal or vertical
  • Tabs on right/OS/2 style notebook ^2
  • Tabs on left/bottom as well
• Accordion like nested tabs (uses nested ul -> li) - not sure how to work horizontally [^3]
• Tablist overflow
• Nesting works
• Animation Never!
• User supported CSS
• Allow rearranging of tabs
• Optional bookmarking?

[^3]: