v5.0.2

Fixes

• core: Only set transition duration to 0 upon show if not currently mounted (for createSingleton early cancelation)
• core: Plugin hooks for onShow and onHide invoked before props'
• core: Change distance technique to use padding on popper instead of top/left on tooltip
• css: Improve consistency of vars and units
• addons: Add support for plugins
• delegate: Account for data-tippy-trigger attribute
• createSingleton: Fix missing argument in onAfterUpdate to preserveInvocation()
• perf: Optimize data-tippy-* attribute reducer
• warnings: Add link to accessibility docs for interactive warning and improve clarity