update readme

README.md

@@ -2,13 +2,17 @@
 All in one trading engine
 
 ## Features
+### Backtest
+- [ ] Learn and develop strategies
 - [x] Single data feed
 - [x] Single strategy
 - [ ] Multiple data feed
 - [ ] Multiple strategy
 - [ ] Customed backtest time range
 - [x] Backtest UI
-- [x] Single broker: IBKR
+
+### Paper trading & live trading
+- [x] Single live broker: IBKR
 - [x] Live trading with single broker
 
 ## Demo