Hi and welcome to the Royal Family!
CSV import is probably the easiest way. The imported objects are based on the default settings so you only need the fields which need to be customized (like name, IP, port) and afterwards you can also utilize bulk-edit to tweak a group of connections afterwards. If you need a folder structure, there’s a sample script:
This brings me to scripting in general. You can use PowerShell to create or update documents:
Let me know if this helps.
Regards,
Stefan