My repo is not on the list of supported repos, can I still add it?

Yes, you can still add it by choosing "Other" on the import form

Yes, you can still import a resource deposited in a repository we do not support. You will need to provide information about the resource type and detailed description of the resource. 

You can import by choosing “Other” on the import form. 

For more details see: How do I import form an unsupported repository?