Add file on iPhone

Is there a way to add a file at a specific place of the binder, using the iPhone?
I have a long flat binder structure. When adding a document it gets created at the bottom of it, meaning I have to move it manually all the way up (“move to” doesn’t work since I have the flat structure). I can’t mark a document beneath the new one should be added, can I?

On the iPhone, open the document you want the new document added beneath, and hit “+” in the nav bar above the open document.

All the best,

I must be blind!
Thank you!