feat: Implement ADX Indicator with tests, documentation, and integration

lib/_index.md

@@ -9,7 +9,7 @@
 | ADL | Accumulation/Distribution Line | Volume |
 | ADOSC | Chaikin A/D Oscillator | Volume |
 | ADR | Average Daily Range | Volatility |
-| ADX | Average Directional Movement Index | Momentum |
+| [ADX](momentum/adx/Adx.md) | Average Directional Index | Momentum |
 | ADXR | Average Directional Movement Rating | Momentum |
 | AFIRMA | Autoregressive FIR MA | Forecasts |
 | ALLIGATOR | Williams Alligator | Trends |
@@ -235,7 +235,7 @@
 | STOCH | Stochastic Oscillator | Momentum |
 | STOCHF | Stochastic Fast | Momentum |
 | STOCHRSI | Stochastic RSI | Momentum |
-| SUPER | SuperTrend | Trends |
+| [SUPER](trends/super/Super.md) | SuperTrend | Trends |
 | SWINGS | Swing High/Low Detection | Reversals |
 | [T3](trends/t3/T3.md) | Tillson T3 MA | Trends |
 | TANH | Hyperbolic Tangent | Numerics |

lib/momentum/_index.md

@@ -5,7 +5,7 @@ Momentum indicators measure the speed or strength of price movements. This inclu
 | Indicator | Full Name | Description |
 | :--- | :--- | :--- |
 | AC | Acceleration Oscillator | |
-| ADX | Average Directional Movement Index | |
+| [ADX](adx/Adx.md) | Average Directional Index | Measures the strength of a trend, regardless of its direction. |
 | ADXR | Average Directional Movement Rating | |
 | AO | Awesome Oscillator | |
 | APO | Absolute Price Oscillator | |

lib/trends/_index.md

@@ -4,7 +4,6 @@ Trend indicators help identify the direction and strength of a market trend. Mov
 
 | Indicator | Full Name | Description |
 | :--- | :--- | :--- |
-| [ADX](adx/Adx.md) | Average Directional Index | Measures the strength of a trend, regardless of its direction. |
 | ALLIGATOR | Williams Alligator | |
 | [ALMA](alma/Alma.md) | Arnaud Legoux MA | Uses Gaussian distribution weights to balance smoothness and responsiveness. |
 | AMAT | Archer Moving Averages Trends | |