https://expressjs.com/en/5x/api.html#req.query
"As req.query’s shape is based on user-controlled input, all properties and values in this object
are untrusted and should be validated before trusting"
In essence, req.query.xx can be an array OR an array of strings.
Cleaner to separate things from the backups table.
* icon, appConfig, appStoreIcon etc are only valid for archives
* older version cloudron does not have appConfig in backups table (so it
cannot be an archive entry)