Inserting timestamp to image name by default

hi everyone
when i upload an image to the cloud, the default name is IMAGE and when i upload another image i get an alert that says that there is another file with the same name.
now im creating this cloud for some idiots so they can easely erase the existing image.
i was wondering if there is a way to give every image a a timestamp to the name by default.
thank you

Nextcloud version 15.0.0:
Operating system and version ubuntu 18.04.03:
Apache or nginx version Apache 2.4.29:
PHP version 7.2:

Several apps exist which allow to force an activity on an event. It might be possible to use, e.g. the Workflow external scripts App, to get such a file renamed. Here you find the available flow apps: