strategy: support strategy doc

config/support.yaml

@@ -71,6 +71,10 @@ exchangeStrategies:
     maxBaseAssetBalance: 1000.0
     minQuoteAssetBalance: 2000.0
 
+    #trailingStopTarget:
+    #  callBackRatio: 0.015
+    #  minimumProfitPercentage: 0.02
+
     targets:
     - profitPercentage: 0.02
       quantityPercentage: 0.5

doc/strategy/support.md

@@ -37,6 +37,12 @@ This strategy uses K-lines with high volume as support and buys the target asset
     - `quantityPercentage`
         - The position ratio to take profit, e.g., 0.5 means selling 50% of the original buy order position when takes 
           profit.
+- `trailingStopTarget`
+  - Use trailing stop to take profit
+  - `callBackRatio`
+    - Callback ratio of the trailing stop
+  - `minimumProfitPercentage`
+    - The minimum profit ratio of the trailing stop. The trailing stop is triggered when the profit is higher than the minimum.
 
 
 #### Examples