-Modify core.php where to save the files, add check.sh to Cron, edit everything else to your likings.
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-Change php.ini and nginx.conf settings to allow bigger uploads.
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-# Todo
-
-Proper design, commit new design and updated code (when finished, in preview phase).
+Modify
+* Modify includes/config.php (copy config.template.php as a starting point) to determine the path and URL to the app, the default retention time and other config points
+* Execute check.sh with cron to delete old files: `crontab -e` and add `0,15,30,45 * * * * bash /path/to/check.sh` (or adapt if you know how cron works).
+* Some extensions are blocked by default, this can be changed via includes/config.php's CONFIG_BLOCKED_EXTENSIONS value.