The current OneDrive connector does not allow for functionality other than adding files or searching for files.
This new action, Add Folder, would require a POST using this endpoint:
"/drive/items/ [ PARENT FOLDER ID PILL ] /children"
Add Folder Api Documentation: https://dev.onedrive.com/items/create.htm
Apologies that we haven't gotten back to you on this. We don't have the feature yet, but from the API you can do it using our HTTP connector or SDK. Let us know if you need any assistance with this! We will update you if we are able to put this on our roadmap.
Send us a ticket, we will try our best to assist you with your problem