Add wagtail-rangefilter to the ModelAdmin's section

README.md

@@ -184,6 +184,7 @@ Awesome Wagtail [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38
 ### Modeladmin
 
 - [wagtail-admin-list-controls](https://github.com/ixc/wagtail-admin-list-controls) - Adds advanced search, ordering and layout controls to Wagtail's modeladmin list views.
+- [wagtail-rangefilter](https://github.com/wunderweiss/wagtail-rangefilter) - Integrates django-admin-rangefilter into Wagtail's ModelAdmin.
 
 ### Misc