Bollinger Bands with EMA & SMA

Bollinger Bands with customizable moving averages (SMA, EMA) and additional Exponential (EMA) & Simple Moving Averages (SMA) for trend analysis. It calculates Bollinger Bands using a user-defined moving average and standard deviation multiplier. The script also overlays 8, 13, 21, and 55-day EMAs and 50, 100, and 200-day SMAs