using the new advanced template, i don't understand the following: bool LongTrade = ta.rsi(close, 14) < 30 and close > open and strategy.position_size == 0 bool ShortTrade = ta.rsi(close, 14) > 70 and close < open and strategy.position_size == 0 bool UseExitReason = STRATEGY_EXIT_HCLC or STRATEGY_EX...