Feature: OCR scanning of Tangerine-generated forms using camera on a tablet.

[chrisekelley]

[chrisekelley]

First prototype: I used tesseract.js embedded in tangy-form:

The OCR - from an external webcam - identified the answers:

Communication and Language.
# What was the text about?
@ The average temperature of the cimate.
© The antificial causes of global warming.
© The natural causes of cimate change.
* The change of the average temperature must be
© Global warming.
© Eants nawral cycles
@ From arficial and natural cuses

Answered questions are identified with an @ sign.

[chrisekelley]

Commit of a demo in tangy-form: https://github.com/Tangerine-Community/tangy-form/commit/66ec676c4a6a12101ba2feac7eb8104eed8f0b8a