We're glad you like our platform!
No, we don't have an option for a generic file upload. How would one create a generic file to upload to our servers? This will be an issue by itself.
Also as it will be manual process, this is something that we would like to avoid, as part of our platform's concept is it's fully automated.
Nevertheless, we would love to hear your solution, as we may consider this if no other options are possible.