add archive download

lib/foundation/comic_source/comic_source.dart

@@ -215,6 +215,8 @@ class ComicSource {
 
   final StarRatingFunc? starRatingFunc;
 
+  final ArchiveDownloader? archiveDownloader;
+
   Future<void> loadData() async {
     var file = File("${App.dataPath}/comic_source/$key.data");
     if (await file.exists()) {
@@ -284,6 +286,7 @@ class ComicSource {
     this.enableTagsSuggestions,
     this.enableTagsTranslate,
     this.starRatingFunc,
+    this.archiveDownloader,
   );
 }
 
@@ -465,3 +468,11 @@ class LinkHandler {
 
   const LinkHandler(this.domains, this.linkToId);
 }
+
+class ArchiveDownloader {
+  final Future<Res<List<ArchiveInfo>>> Function(String cid) getArchives;
+
+  final Future<Res<String>> Function(String cid, String aid) getDownloadUrl;
+
+  const ArchiveDownloader(this.getArchives, this.getDownloadUrl);
+}