some refactoring

MareSynchronosServer/MareSynchronosShared/Utils/Configuration/CdnShardConfiguration.cs

@@ -0,0 +1,13 @@
+namespace MareSynchronosShared.Utils.Configuration;
+
+public class CdnShardConfiguration
+{
+    public List<string> Continents { get; set; }
+    public string FileMatch { get; set; }
+    public Uri CdnFullUrl { get; set; }
+
+    public override string ToString()
+    {
+        return CdnFullUrl.ToString() + "[" + string.Join(',', Continents) + "] == " + FileMatch;
+    }
+}