Implemented DLSiteClient.

JSMR.Infrastructure/Integrations/DLSite/Models/DownloadCountItem.cs

@@ -0,0 +1,32 @@
+using JSMR.Infrastructure.Integrations.DLSite.Serialization;
+using System.Text.Json.Serialization;
+
+namespace JSMR.Infrastructure.Integrations.DLSite.Models;
+
+public class DownloadCountItem
+{
+    [JsonPropertyName("workno")]
+    public string? WorkNumber { get; set; }
+
+    [JsonPropertyName("edition_id")]
+    public int EditionId { get; set; }
+
+    [JsonPropertyName("edition_type")]
+    public string? EditionType { get; set; }
+
+    [JsonPropertyName("display_order")]
+    public int DisplayOrder { get; set; }
+
+    [JsonPropertyName("label")]
+    public string? Label { get; set; }
+
+    [JsonPropertyName("lang")]
+    public string? Language { get; set; }
+
+    [JsonPropertyName("dl_count")]
+    [JsonConverter(typeof(NumberConverter))]
+    public int DownloadCount { get; set; }
+
+    [JsonPropertyName("display_label")]
+    public string? DisplayLabel { get; set; }
+}