v0.13.0

Added

• Candestick chart support has been added. You can press 'c' to toggle between
  line and candlestick charts (#75)
  • You can also pass the --candle flag on startup, or specify candle: true
    in the config file to launch with candlestick charting enabled

Changed

• All theme colors are now optional and can be selectively included / omitted from
  the theme config (#76)

Fixed

• Fixed panic when width of terminal was too small on main stock screen (4cc00d0)
• Fix bug where cursor icon still shows in some terminals such as WSL2 on Windows with Alacritty (#79)