React-Native Scanner

This repo has changed too much from forked repo. New Documents will be updated soon.

Major changes (done or in progress)

1. Upgrade to latest React-Native version
2. Edge detection algo correction
3. Improve image quality
4. Optional Border on edge detection frame
5. Photo capture (face detection & fixed sizes)
6. Double rectangle detection (like book)
7. Shape coordinate in response (onCapture)