Copies an existing file to a new path in the same bucket.
buckets
table permissions: noneobjects
table permissions: insert
and select
The original file path, including the current file name. For example `folder/image.png`.
The new file path, including the new file name. For example `folder/image-copy.png`.
const \{ data, error \} = await supabase
.storage
.from('avatars')
.copy('public/avatar1.png', 'private/avatar2.png')