Add GetMangaFromId for MangaWorld

Tranga/MangaConnectors/Mangaworld.cs

@@ -56,7 +56,7 @@ public class Mangaworld: MangaConnector
 
     public override Manga? GetMangaFromId(string publicationId)
     {
-        throw new NotImplementedException();
+        return GetMangaFromUrl($"https://www.mangaworld.bz/manga/{publicationId}");
     }
 
     public override Manga? GetMangaFromUrl(string url)
@@ -69,7 +69,9 @@ public class Mangaworld: MangaConnector
         if (requestResult.htmlDocument is null)
             return null;
         
-        return ParseSinglePublicationFromHtml(requestResult.htmlDocument, url.Split('/')[^2]);
+        Regex idRex = new (@"https:\/\/www\.mangaworld\.bz\/manga\/([0-9]+\/[0-9A-z\-]+)");
+        string id = idRex.Match(url).Groups[1].Value;
+        return ParseSinglePublicationFromHtml(requestResult.htmlDocument, id);
     }
 
     private Manga ParseSinglePublicationFromHtml(HtmlDocument document, string publicationId)