feat: Add DART strategy and related configurations

ㅇ
Changes:
- Introduced the DART strategy to the trading system, including its configuration and integration into the existing framework.
- Updated the database schema to include DART-specific tables for disclosures and watchlists.
- Enhanced the backtesting and parameter search functionalities to support the DART strategy.
- Implemented new rules for browser verification and API interactions to ensure compliance with the updated DART strategy.

Impact:
- These additions expand the trading capabilities of the system, allowing for more comprehensive analysis and execution of DART-related strategies, while maintaining system integrity and performance.

kis_trader/strategies/updow_strategy.py

@@ -558,6 +558,10 @@ class UpdowStrategy(BaseStrategy):
         tf_code = self._candle_tf_for_code(code)
         candles_raw = self.ws.get_candles(code, tf_code, n=n_fetch)
         if len(candles_raw) < min_len:
+            try:
+                self.ws.fill_gap([code], force=True)
+            except Exception:
+                pass
             self.logger.info(
                 "🔍 [탈락-봉부족] %s %s: WS확정봉 %d개 (최소 %d, tf=%d)",
                 name, code, len(candles_raw), min_len, tf_code,