feat: saving logged-in user to local storage + tests

WotBlitzStatisticsPro.Blazor/Model/LoginInfo.cs

@@ -0,0 +1,13 @@
+using WotBlitzStatisticsPro.Blazor.GraphQl;
+
+namespace WotBlitzStatisticsPro.Blazor.Model
+{
+    public class LoginInfo
+    {
+        public RealmType Realm { get; set; }
+        public string NickName { get; set; }
+        public long AccountId { get; set; }
+        public string AccessToken { get; set; }
+        public long ExpiresAt { get; set; }
+    }
+}