Add comment about hyperoptimized parameters

user_data/strategies/Supertrend.py

@@ -16,6 +16,9 @@ import talib.abstract as ta
 import numpy as np
 
 class Supertrend(IStrategy):
+    # ROI, Stoploss and Trailing Stop are values generated by 'freqtrade hyperopt --strategy Supertrend --hyperopt-loss ShortTradeDurHyperOptLoss --timerange=20210101- --timeframe=1h --spaces roi stoploss trailing'
+    # It's encourage you find the values that better suites your needs and risk management strategies
+    
     # ROI table:
     minimal_roi = {
         "0": 0.087,