Ignore empty modules in docs module list

Author: juntyr

mkdocs.yml

@@ -49,7 +49,7 @@ plugins:
             docstring_section_style: list
             docstring_style: numpy
             show_if_no_docstring: true
-            filters: ["!^_$", "!^_[^_]", "!^__", "__init__"]
+            filters: ["!^_$", "!^_[^_]", "!^__", "__init__", "!^cf$", "!^download$"]
             members_order: source
             group_by_category: false
             show_source: false