Zero dot three

[raphamorim]

• Support metal
• Fix rects
• Fix dimensions for col/rows
• Fix tab creation or switch should manage visible rich text
• Now only rte has id and can skip recomputation we need to do same for any type of shape.
• Title Bar Progress Bar
• New welcome screen (ok to be follow up)
• New assistant screen (ok to be follow up)
• Allow change tab title via UI (ok to be follow up)
• Allow change color title via UI (ok to be follow up)
• BiDi Support terminal-wg's BiDi draft proposal in alacritty_terminal alacritty/alacritty#7872
• Fix z-index
• Fix resize
• New selection experience
• Fix strikethrough
• Cleanup
• New search UI (should use new grid system)
• Linux/Windows should follow similar rendering strategy from macos
• Command palette
  • Select fonts
• Merge images into same rect system
• kitty image protocol
  • issue with ncurses-demo
• Fix sixel opacity/gifs
  • fix ncurses demo
• New navigation system
• Quake (ok to be follow up)
• Test on linux
• Test on freebsd
• Test on windows
• AT LEAST consistent >60fps when breaking empty lines
• revamp rio-backend (ok to be follow up)
• Avoid locking operations for scroll
• Reduce overral memory usage