Prometheus - Donation and payment store

Changelog

1. Fixed a bug where a free package would be given twice if credits are enabled while "only use credits" is disabled.
2. Fixed a bug where assigning a non-permanent package would throw an error and not assign the package.
3. Fixed a display bug in the dashboard.
4. Added sAdmin support.
5. Fixed QueryS error on the Lua side.

Modified files

Web

1. inc/credits.php
2. inc/functions.php
3. pages/admin/dashboard.php
4. admin/pkg/_actions.php

Lua

1. lua/prometheus/actions.lua
2. lua/prometheus/database.lua