feat: http header passing mechanism

WotBlitzStatisticsPro.Blazor/Services/WargamingAuthTokenHeaderHandler.cs

@@ -0,0 +1,25 @@
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace WotBlitzStatisticsPro.Blazor.Services
+{
+    public class WargamingAuthTokenHeaderHandler: DelegatingHandler
+    {
+        private readonly IWargamingAuthTokenHeaderHelper _wargamingAuthTokenHeaderHelper;
+
+        public WargamingAuthTokenHeaderHandler(IWargamingAuthTokenHeaderHelper wargamingAuthTokenHeaderHelper)
+        {
+            _wargamingAuthTokenHeaderHelper = wargamingAuthTokenHeaderHelper;
+        }
+
+        protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
+        {
+            if (!string.IsNullOrEmpty(_wargamingAuthTokenHeaderHelper.WargamingToken))
+            {
+                request.Headers.Add("WargamingToken", _wargamingAuthTokenHeaderHelper.WargamingToken);
+            }
+            return base.SendAsync(request, cancellationToken);
+        }
+    }
+}