Highly configurable interface that aims to improve usability of RSI by:
- Highlighting when RSI is overbought or oversold (red)
- Highlighting when RSI crosses midline (50, blue)
- Highlighting mid area's background (45-55)
- Highlighting overbought and oversold area backgrounds (>70, <30)
- Ability to plot midline (in addition to oversold and overbought lines)