2.0.0-alpha1

Mordant 2.0 is a rewrite that retains the simple APIs of Mordant 1.0, and adds support for rendering
complex widgets.

Added

• Added renderable widgets, including tables, panels, and lists
• Added markdown rendering
• Added a theme system to customize text styles on an entire terminal instance
• Added animations that automatically clear the previous frame when redrawing

Changed

• Improved terminal capability detection
• ANSI colors and styles can now be applied through the TextColors and TextStyles top-level
  objects, and Terminal.print will downsample th resulting strings based on the detected terminal
  capabilities.