Make `Users` an `IList` for more flexibility server-side
Make `Users` an `IList` for more flexibility server-side

UselessToucan/osu,ppy/osu,ppy/osu,UselessToucan/osu,ppy/osu,NeoAdonis/osu,UselessToucan/osu,smoogipooo/osu,smoogipoo/osu,peppy/osu,smoogipoo/osu,smoogipoo/osu,NeoAdonis/osu,peppy/osu-new,NeoAdonis/osu,peppy/osu,peppy/osu