How to move Quick Code to a new server without losing your settings and QR codes.
Move your old files to the new domain.
If you are on the same server then the database connection should still work, if you moved your files to a new server then you will have to export the database from the old server and import it in the new one.
Update the .env file and put your new domain in there.
Update the database > open domains table and update the default domain record
Delete the following file: bootstrap/cache/config.php