Upload a file
Uploads a file to an existing bucket.
- Policy permissions required:
buckets
permissions: noneobjects
permissions:insert
final avatarFile = File('path/to/file');
final res = await supabase
.storage
.from('avatars')
.upload('public/avatar1.png', avatarFile, fileOptions: FileOptions(
cacheControl: '3600',
upsert: false
));