Renko Brick Color Change Alert

This indicator detects Renko brick color flips (bullish ↔ bearish) on native Renko charts, including ATR-based Renko.

🔹 Highlights bullish and bearish bricks
🔹 Plots visual flip markers
🔹 Triggers alerts when brick color changes

Usage:
Apply this indicator on a Renko chart (traditional or ATR Renko). Alerts fire only when a confirmed brick flips direction.

Ideal for traders monitoring momentum shifts and trend reversals using Renko structures.