Rewrite of the Rhythm Skill within osu!taiko (#31284)
* implement bell curve into diffcalcutils
* remove unneeded attributes
* implement new rhythm skill
* change dho variables
* update dho rhythm
* interval interface
* implement rhythmevaluator
* evenhitobjects
* evenpatterns
* evenrhythm
* change attribute ordering
* initial balancing
* change naming to Same instead of Even
* remove attribute bump for display
* Fix diffcalc tests
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Co-authored-by: StanR <hi@stanr.info>
Jay Lawton