When sharing a file by creating a public link, it would be very handy if you could instantly send this link via email.
So when you created the link, there should be a button that directly opens the mail app and pastes the created link into the body of a new email.
It would also be nice if you could create an email template with a custom text (configurable in settings) that is also pasted in the mail like:

"Hi, i would like to share a file with you. You can download it here
<<link>>
kind regards, Peter" as the template text - and <<link>> will be replaced with the URL when composing the email.