auto fix FTX routes with PERP in their symbol

jesse/models/Route.py

@@ -1,6 +1,10 @@
 class Route:
     def __init__(self, exchange: str, symbol: str, timeframe: str = None, strategy_name: str = None,
                  dna: str = None) -> None:
+        # replace PERP with USD in FTX routes
+        if exchange.startswith('FTX') and symbol.upper().endswith('PERP'):
+            symbol = symbol.replace('PERP', 'USD')
+
         self.exchange = exchange
         self.symbol = symbol
         self.timeframe = timeframe