How to Upgrade from 1.x to 2.0?

If you are using old version i.e 1.x, you will need to upgrade it as version 2.0 has different database structure. To upgrade, we have added file with the name of upgrade.php, you will need to run it, once it is completed delete the upgrade.php

If you are already using version 2.0, it is better to delete the upgrade.php