To import markdown files to notesnook go to Notesnook Importer on your PC/Laptop.
From the list of formats to import, select “Markdown file”.
Drop your markdown files or click anywhere inside the box to browse and select your markdown files and then click “Start processing”.
Once importer completes processing, download the .zip file.
After you have downloaded the .zip
file, go to Notesnook app > Settings > Notesnook Importer and click on “Import from ZIP file” & select the .zip you downloaded earlier.
Once importing completes you should see all your notes in Notesnook. If you face any issues during importing, report it on github.