Update DEFAULT_CONFIG to production-ready settings

alpaca_trader/config.json

@@ -17,7 +17,7 @@
     "ENABLE_SLIPPAGE": true,
     "SLIPPAGE_PCT": 0.0005,
     "COMMISSION_PCT": 0.0005,
-    "MIN_SIGNAL_STRENGTH": 0.0,
+    "MIN_SIGNAL_STRENGTH": 0.3,
     "BACKTEST_DAYS": 90,
     "USE_LIMIT_ORDERS": false,
     "LIMIT_ORDER_TIMEOUT": 60,
@@ -47,6 +47,6 @@
     "RSI_SELL_MAX": 70,
     "RSI_RANGE_OVERSOLD": 30,
     "RSI_RANGE_OVERBOUGHT": 70,
-    "REQUIRE_MA_CROSSOVER": false,
+    "REQUIRE_MA_CROSSOVER": true,
     "CROSSOVER_LOOKBACK": 5
 }