Fix bots + positions managements

src/Managing.Infrastructure.Exchanges/Abstractions/IExchangeProcessor.cs

@@ -40,4 +40,5 @@ public interface IExchangeProcessor
     Task<List<Trade>> GetOrders(Account account, Ticker ticker);
     Task<Trade> GetTrade(string reference, string orderId, Ticker ticker);
     Task<List<FundingRate>> GetFundingRates();
+    Task<IEnumerable<Position>> GetPositions(Account account);
 }