feat: introduced caching in the server + Added serilog

WotBlitzStatisticsPro.Logic/Model/AccountDataCache.cs

@@ -0,0 +1,17 @@
+using WotBlitzStatisticsPro.DataAccess.Model.Accounts;
+
+namespace WotBlitzStatisticsPro.Logic.Model
+{
+    public class AccountDataCache
+    {
+        public AccountDataCache(AccountInfo accountInfo, AccountInfoHistory accountInfoHistory)
+        {
+            AccountInfo = accountInfo;
+            AccountInfoHistory = accountInfoHistory;
+        }
+
+        public AccountInfo AccountInfo { get; }
+
+        public AccountInfoHistory AccountInfoHistory { get; }
+    }
+}