Steps to reproduce
1, Open Joplin
2, Navigate to settings (“Tools > Options” on Windows/Linux, “Joplin > Settings” on a Mac)
3, Click on “plugins” in the sidebar.
4, Search for “AI Tag Suggester”.
5, Click install.
You can set your Gemini API key by following these steps: Go to Tools → Options → Extension (on the left sidebar) → AI Tag Suggester. There, you'll find the extension settings where you can enter your API key.