Added MangaDex Api. Updated project structure.

MangaReader.Core/Sources/MangaDex/Api/MangaDexEntityConverter.cs

@@ -0,0 +1,33 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace MangaReader.Core.Sources.MangaDex.Api;
+
+public class MangaDexEntityConverter : JsonConverter<MangaDexEntity>
+{
+    public override MangaDexEntity? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        using var doc = JsonDocument.ParseValue(ref reader);
+        var root = doc.RootElement;
+
+        var type = root.GetProperty("type").GetString();
+
+        return type switch
+        {
+            "manga" => JsonSerializer.Deserialize<MangaEntity>(root.GetRawText(), options),
+            "author" => JsonSerializer.Deserialize<AuthorEntity>(root.GetRawText(), options),
+            "artist" => JsonSerializer.Deserialize<ArtistEntity>(root.GetRawText(), options),
+            "creator" => JsonSerializer.Deserialize<CreatorEntity>(root.GetRawText(), options),
+            "tag" => JsonSerializer.Deserialize<TagEntity>(root.GetRawText(), options),
+            "chapter" => JsonSerializer.Deserialize<ChapterEntity>(root.GetRawText(), options),
+            "scanlation_group" => JsonSerializer.Deserialize<ScanlationGroupEntity>(root.GetRawText(), options),
+            "cover_art" => JsonSerializer.Deserialize<CoverArtEntity>(root.GetRawText(), options),
+            _ => throw new NotSupportedException($"Unknown type '{type}'")
+        };
+    }
+
+    public override void Write(Utf8JsonWriter writer, MangaDexEntity value, JsonSerializerOptions options)
+    {
+        JsonSerializer.Serialize(writer, (object)value, options);
+    }
+}