v1.0.0 of selectable_ocr

A powerful Flutter widget that lets users select and crop any area of the UI and automatically extracts text using on-device OCR or custom backends. Changelog excerpt: - Initial release of `selectable_ocr`. - Interactive rectangular region selection over any child widget. - 100% on-device OCR powered by Google ML Kit (`OnDeviceOcrEngine`) for iOS and Android. - Zero-setup experience with `SelectableOcr(child: ..., onTextExtracted: ...)`. - Pluggable OCR engine architecture with built-in `HttpOcrEngine`for custom HTTP/Python/Vercel backends. - Visual in-situ loading badge positioned over the selected area while OCR is executing. - Highly customizable `Selection[...]