tui: feature ideas

[azimut]

• less-like text search on viewport screen
• jump from link on link screen to the link in the viewport screen
• viewport scrollbar
  • might be I can use the bubbles progress bar at the bottom instead (less code for me :))
  • either way i need to learn how to display two models at the same time i think
• opt to change the maxwith, or rightpadding?
• vimperator-like jump to link on the viewport screen
• fix and add proper help keys on viewport screen
• navigation between comments
  • jump between parent comments
  • return to parent
  • next reply
• center content
• unique author colors, per root comment