Move signalType to enums

freqtrade/enums/__init__.py

@@ -1,2 +1,3 @@
 # flake8: noqa: F401
 from freqtrade.enums.selltype import SellType
+from freqtrade.enums.signaltype import SignalType

freqtrade/enums/signaltype.py

@@ -0,0 +1,9 @@
+from enum import Enum
+
+
+class SignalType(Enum):
+    """
+    Enum to distinguish between buy and sell signals
+    """
+    BUY = "buy"
+    SELL = "sell"