Greazy Bear 5-Min Scalper [by: New Market Wizards] - FVG + BB

// ── GB 5-MIN SCALP LOGIC ───────────────────────
// 1. Price touches Lower BB → potential long
// 2. Next bar closes ABOVE Lower BB → BUY
// 3. Price touches Upper BB → potential short
// 4. Next bar closes BELOW Upper BB → SELL
// 5. Only trade in direction of the prevailing 20-period trend (close > basis = uptrend)