Add mark as non-linear division mannally

config.py

@@ -63,6 +63,10 @@ class Config:
     def db(self):
         return self.get_arg('db', 'cwm.db')
 
+    @cached_property
+    def division_id(self):
+        return getattr(self._args, 'division_id', None)
+
     @cached_property
     def export_book_template(self):
         return self.get_arg('export_book_template', 'exported/<book_name> - <author_name>.<ext>')  # noqa: E501
@@ -116,6 +120,10 @@ class Config:
     def key(self):
         return self.get_arg('key', None)
 
+    @cached_property
+    def linear(self):
+        return getattr(self._args, 'linear', False)
+
     @cached_property
     def page_size(self):
         return self.get_arg('page_size', 10)