Cup Finder with Fibonacci-AYNET

Explanation of Changes
Fibonacci Levels Integration:

Adds Fibonacci retracement levels based on a user-defined lookback (fib_length).
Retracement levels (0.0, 0.236, 0.382, 0.5, 0.618, 1.0) are calculated and drawn as horizontal lines.
Combined Visualization:

Cup patterns are visualized with dashed lines and optional channels.
Fibonacci levels are added as visual reference points on the same chart.
Customization:

Users can toggle Fibonacci levels, adjust colors, and define lookback periods.
This script combines the power of cup pattern