[Docs] add reid training README.md

[ToumaKazusa3]

No description provided.

[codecov]

Codecov Report

Merging #210 (ab606e2) into master (df67e78) will not change coverage.
The diff coverage is n/a.

❗ Current head ab606e2 differs from pull request most recent head c33224b. Consider uploading reports for the commit c33224b to get more accurate results

@@           Coverage Diff           @@
##           master     #210   +/-   ##
=======================================
  Coverage   69.51%   69.51%           
=======================================
  Files          87       87           
  Lines        4395     4395           
  Branches      863      863           
=======================================
  Hits         3055     3055           
  Misses       1053     1053           
  Partials      287      287           

Flag	Coverage Δ
unittests	69.48% <ø> (+0.02%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update df67e78...c33224b. Read the comment docs.