fix(nyaa): ensure chapters is List<MChapter> to avoid type cast error

dart/anime/src/all/nyaa/nyaa.dart

@@ -9,8 +9,7 @@ class Nyaa extends MProvider {
 
   @override
   Future<MPages> getPopular(int page) async {
-    final res =
-        (await client.get(
+    final res = (await client.get(
       Uri.parse(
         "${source.baseUrl}/?f=0&c=${getPreferenceValue(source.id, "preferred_categorie_page")}&q=&s=downloads&o=desc&p=$page",
       ),
@@ -20,8 +19,7 @@ class Nyaa extends MProvider {
 
   @override
   Future<MPages> getLatestUpdates(int page) async {
-    final res =
-        (await client.get(
+    final res = (await client.get(
       Uri.parse(
         "${source.baseUrl}/?f=0&c=${getPreferenceValue(source.id, "preferred_categorie_page")}&q=$page",
       ),
@@ -57,11 +55,17 @@ class Nyaa extends MProvider {
     description +=
         "\n\n${(document.xpathFirst('//div[@class="panel panel-default"]/text()') ?? "").trim().replaceAll("\n", "")}";
     anime.description = description;
-    MChapter ep = MChapter();
-    ep.name = "Torrent";
-    ep.url =
-        "${source.baseUrl}/download/${substringAfterLast(url, '/')}.torrent";
-    anime.chapters = [ep];
+
+    List<MChapter> chapters = [];
+    chapters.add(
+      MChapter(
+        name: "Torrent",
+        url:
+            "${source.baseUrl}/download/${substringAfterLast(url, '/')}.torrent",
+      ),
+    );
+    anime.chapters = chapters;
+
     return anime;
   }
 
@@ -114,8 +118,7 @@ class Nyaa extends MProvider {
       MManga anime = MManga();
       anime.imageUrl =
           "${source.baseUrl}${getUrlWithoutDomain(value.selectFirst("td:nth-child(1) > a > img").getSrc)}";
-      MElement firstElement =
-          value
+      MElement firstElement = value
           .select("td > a")
           .where(
             (MElement e) =>
@@ -130,8 +133,7 @@ class Nyaa extends MProvider {
       animeList.add(anime);
     }
 
-    final hasNextPage =
-        xpath(
+    final hasNextPage = xpath(
       res,
       '//ul[@class="pagination"]/li[contains(text(),"»")]/a/@href',
     ).isNotEmpty;