Add documentation links for various volatility indicators and channels

- Updated BBWN, BBWP, CCV, CV, CVI, EWMA, GKV, HLV, HV, Jvolty, JVOLTYN, MASSI, NATR, RSV, RV, RVI, TR, UI, VOV, VR, YZV indicators with documentation links.
- Added documentation links for Aberration, Acceleration Bands, Andrews' Pitchfork, Adaptive Price Zone, ATR Bands, Bollinger Bands, Center of Gravity, Donchian Channels, Decay Min-Max Channel, Detrended Synthetic Price, EACP, EBSW, HOMOD, Jurik Volatility Bands, Keltner Channel, MA Envelope, Min-Max Channel, Price Channel, Regression Channels, Standard Deviation Channel, Stoller Average Range Channel, Super Trend Bands, Ultimate Bands, Ultimate Channel, VWAP Bands, and VWAP with Standard Deviation Bands.

lib/errors/wmape/wmape.pine

@@ -4,9 +4,6 @@
 indicator("Weighted Mean Absolute Percentage Error", "WMAPE", overlay=false, format=format.percent)
 
 //@function Calculates Weighted Mean Absolute Percentage Error
-//@doc     Weights errors by actual value magnitude, industry standard for demand forecasting.
-//@doc     WMAPE = (Σ|actual - predicted| / Σ|actual|) * 100
-//@doc     More stable than MAPE for intermittent data with zero/low values.
 //@param   actual Series of actual values
 //@param   predicted Series of predicted/forecast values
 //@param   length Rolling window for calculation
@@ -38,4 +35,4 @@ wmape_value = wmape(i_actual, i_predicted, i_length)
 
 // Plot
 plot(wmape_value, "WMAPE", color=color.yellow, linewidth=2)
-hline(0, "Perfect", color=color.green, linestyle=hline.style_dotted)
+hline(0, "Perfect", color=color.green, linestyle=hline.style_dotted)