Add funding rate watcher (#2)

* Add FundingRate interfaces and worker

* Add build on PR

* Remove zip

* Specify the solution path

* Add build for worker too

* Set up StatisticService.cs for funding rate

* Add Fundingrate alerts

* Send alert when big funding rate change + add SlashCommands.cs for fundingrate

* Remove fixtures

* Refact names

* Renames

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

@@ -1,6 +1,7 @@
 using Managing.Common;
 using Managing.Domain.Accounts;
 using Managing.Domain.Candles;
+using Managing.Domain.Statistics;
 using Managing.Domain.Trades;
 using static Managing.Common.Enums;
 
@@ -36,4 +37,5 @@ public interface IExchangeProcessor
     Orderbook GetOrderbook(Account account, Ticker ticker);
     Task<List<Trade>> GetOrders(Account account, Ticker ticker);
     Task<Trade> GetTrade(string reference, string orderId, Ticker ticker);
+    Task<List<FundingRate>> GetFundingRates();
 }