Create categories for IL runs so we can see who has the best time in any level.

(For an example, see speedrun.com/ssg3)

There's a World Record Rampage going on right now, which focusses on individual levels. Link is here: https://marbleblast.com/index.php/forum/mb-records/8166-plchldr-marble-blast-gold-world-record-rampage-5-sda-update-4