Trendy Login erscheint nicht in den installierten Plugins

[NateDhaliwal]

That’s because trendy-login is a Theme component , not a Plugin.
Therefore, you should follow this guide to install it:

Installing a theme or theme component

This is a guide for installing and managing themes and theme components in Discourse. Required user level: Administrator Installing and customizing themes can significantly improve the look and feel of your Discourse site. You can easily import and manage themes and their components through the Discourse admin panel. This guide covers: Importing new themes and theme components Adding theme components to a theme Managing automatic updates Additional resourc…

The topic post for Trendy Login should probably be edited to include the link, like the current template.