Add warehouses

[dominik-zeglen]

I want to merge this change because it adds warehouse management.

Screenshots

Pull Request Checklist

1. All visible strings are translated with proper context.
2. All data-formatting is locale-aware (dates, numbers, and so on).
3. Translated strings are extracted to .pot file.
4. Number of API calls is optimized.
5. The changes are tested.
6. Type definitions are up to date.
7. Changes are mentioned in the changelog.

[codecov]

Codecov Report

Merging #390 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #390   +/-   ##
=======================================
  Coverage   72.27%   72.27%           
=======================================
  Files         711      711           
  Lines        8113     8113           
  Branches     1333     1333           
=======================================
  Hits         5864     5864           
  Misses       1991     1991           
  Partials      258      258           

---

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 ce38bb8...ce38bb8. Read the comment docs.