Update README with current config

Tighten SL to 0.5% for lower MaxDD

Loosen 4h z-score to 2.5 for more trades

Lower 1h z-score threshold to 3.0

Add 6 more pairs validated with new config

Remove MANA and GRT not on Hyperliquid

Add breakeven stop and tighten SL to 1%

Reduce SL cooldown from 2h to 1h

Tighten trail first step to 10/5

6-stage stepped trail starting at 10

Block h22-23 UTC entries for better PF

Add 24 pairs and optimize for lower drawdown

Remove dead engines and lighter integration

Explain GARCH v2 in README

Stepped trailing 25/6 -> 30/3 -> 35/1