Added mark as read or unread

lib/models/data/set_bookmark_data.dart

@@ -0,0 +1,37 @@
+class SetBookmarkData {
+  final String url;
+  final String title;
+  final String description;
+  final bool isArchived;
+  final bool unread;
+  final bool shared;
+  final String tagNames;
+
+  const SetBookmarkData({
+    required this.url,
+    required this.title,
+    required this.description,
+    required this.isArchived,
+    required this.unread,
+    required this.shared,
+    required this.tagNames,
+  });
+
+  Map<String, dynamic> toJson() {
+    Map<String, dynamic> ret = {
+      "url": url,
+      "title": title,
+      "description": description,
+      "is_archived": isArchived,
+      "unread": unread,
+      "shared": shared,
+    };
+    if (tagNames != "") {
+      ret = {
+        ...ret,
+        "tag_names": tagNames,
+      };
+    }
+    return ret;
+  }
+}