Update README.md

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: Ebnater

README.md

@@ -26,7 +26,8 @@ A curated list of plugins for the [Pelican Panel](https://pelican.dev). Feel fre
 - [Theme Customizer](/theme-customizer) - Customize panel font and colors
 - [Tickets](/tickets) - Simple ticket system for user support
 - [User Creatable Servers](/user-creatable-servers) - Allow users to create their own servers
-- [PocketID Provider](/pocketid-provider) - Allows you to use PocketID as an OAuth provider
+ - [PocketID Provider](/pocketid-provider) - Allows you to use PocketID as an OAuth provider
+ - [Register](/register) - Enable user self-registration on all panels
 
 ## Themes