How to create folders?

[hokutonanto]

After I've imported my old notes, I got the previous folder created in another markdown editor and they look like this:

Now I want to create new folders inside Trillium. When I right-click though, I don't see folders nor the folder icon:

Am I missing something?

[zadam]

There isn't "folder" as such. Instead, any note can have children notes. So you can just create "text" note and in that you can create more children notes.