Existing content is overwritten when you "Make Doc Folder Note" using Folder Note plugin

I've set up Zoottelkeeper with Templater, using the instructions [here](https://github.com/akosbalasko/zoottelkeeper-obsidian-plugin#36-templates). If you create a folder, Zoottelkeeper correctly creates the Folder Note. But there's an overwrite issue with Make Doc Folder Note.

To reproduce:
- Create a new note called Demo.
- Enter some content in the note.
- Choose "Make Doc Folder Note" from the note's context menu.
- Zoottelkeeper overwrites the entire file with the template set in Zoottelkeeper, instead of appending to the existing content.

Thanks!