v0.0.1 of flutter_confetti_plus

A Flutter confetti package with quick overlays, controller-based widgets, emoji particles, widget sprites, and Konfetti-style party presets. Changelog excerpt: - Initial release of flutter_confetti_plus. - Added fire-and-forget overlay launches with Confetti.show. - Added ConfettiControllerand ConfettiWidgetfor managed playback. - Added emoji particle support. - Added custom widget sprite particle support. - Added Konfetti-style PartyAPI with festive, explode, parade, and rain presets. - Added custom particle path support for app-defined shapes. - Added ConfettiBlastDirectionfor clearer blast direction configuration, with deprecated `BlastD[...]