quirc QR code decoding library

[igrr]

Checklist

• [x] Component contains License
• [x] Component contains README.md
• [x] Component contains idf_component.yml file with url field defined
• [x] Component was added to upload job
• [x] Component was added to build job
• [x] Optional: Component contains unit tests
• [x] CI passing

Change description

This PR adds a QR code decoding library, quirc. Aside from the large stack size required, it can be used in ESP-IDF without modifications.

[github-actions[bot]]

Unit Test Results

  11 files  ±  0    11 suites  ±0   15m 1s :stopwatch: +12s   21 tests +  1    21 :heavy_check_mark: +  1  0 :zzz: ±0  0 :x: ±0  217 runs  +11  217 :heavy_check_mark: +11  0 :zzz: ±0  0 :x: ±0 

Results for commit 4b71a783. ± Comparison against base commit 84fd0cd2.

:recycle: This comment has been updated with latest results.

[dmitry1945]

@igrr LGTM!

[igrr]

@tore-espressif Thanks for the review, have addressed your comments. @dmitry1945 Thanks for taking a look as well.