Add Wagtail Tag Manager (#97)

README.md

@@ -161,6 +161,7 @@ Awesome Wagtail [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38
 - [Joyous](https://github.com/linuxsoftware/ls.joyous) - A calendar application for Wagtail.
 - [Wagtail App Pages](https://github.com/mwesterhof/wagtail_app_pages) - Extend Wagtail pages using an actual URL config and django views.
 - [Wagtail Import Export](https://github.com/torchbox/wagtail-import-export) - Import/Export pages between Wagtail instances.
+- [Wagtail Tag Manager](https://github.com/jberghoef/wagtail-tag-manager) - A Wagtail addon that allows for easier and GDPR compliant administration of scripts and tags.
 
 ## Tools