ui_reveal 1.0.0

Package-agnostic reveal transition host and effects for Flutter.

1.0.0

• Initial public release of ui_reveal.
• Added RevealScope and RevealController APIs for snapshot-based transitions.
• Added built-in effects: circular, fade, slide, diagonal wipe, and liquid wave.
• Added BuildContext extension helpers for reveal trigger and center detection.
• Added example app pages for simple usage, real-world usage, playground, and custom effects.