CM Donchian Channel Pro Mod V3

// ==============================================================================
// CM Donchian Channel Pro Mod V3
//
// 🔹 Original Author: ChrisMoody
// 🔹 Modified By: Markking77
// 🔹 License: Mozilla Public License 2.0
// 🔹 License Link: mozilla.org/MPL/2.0/
//
// ------------------------------------------------------------------------------
// Description:
// This is an enhanced version of the original Donchian Channel by ChrisMoody,
// modified under the MPL 2.0 license by Markking77.
//
// This indicator plots upper and lower Donchian Channels with added options
// for mid-line, breakout highlights, arrows, and channel fill.
// It helps traders identify breakout zones and trend reversals.
//
// ------------------------------------------------------------------------------
// ✨ Features:
// ✅ Adjustable Upper & Lower Channel Lengths
// ✅ Optional Mid-Line for trend confirmation
// ✅ Highlight breakout bars on channel breaks
// ✅ Optional breakout entry arrows
// ✅ Channel fill for better zone visibility
// ✅ Built-in alerts for breakout above/below
//
// ------------------------------------------------------------------------------
// Disclaimer:
// This Pine Script® code is for educational purposes only and does not provide
// financial advice. Use it at your own risk. Always manage your risk properly.
//
// ------------------------------------------------------------------------------
// Tip:
// You can adjust lengths, colors and display options to suit your trading style.
//
// ==============================================================================