docs: Adds gettext with react webpack example

[garikkh]

Description

Adds a gettext example to the repo

Also, to get more variety in examples, uses webpack config with JSON compiled dynamic loading

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Examples update

Fixes # (issue)

Checklist

• I have read the CONTRIBUTING and CODE_OF_CONDUCT docs
• I have added tests that prove my fix is effective or that my feature works
• I have added the necessary documentation (if appropriate)

[vercel]

@garikkh is attempting to deploy a commit to the Crowdin Team on Vercel.

A member of the Team first needs to authorize it.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.24%. Comparing base (6bb8983) to head (6098100).
⚠️ Report is 228 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2344      +/-   ##
==========================================
- Coverage   77.05%   76.24%   -0.81%     
==========================================
  Files          84       99      +15     
  Lines        2157     2648     +491     
  Branches      555      690     +135     
==========================================
+ Hits         1662     2019     +357     
- Misses        382      505     +123     
- Partials      113      124      +11     

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[garikkh]

bump @timofei-iatsenko

[andrii-bodnar]

@garikkh thank you for the contribution! Could you also please add it to this page? https://github.com/lingui/js-lingui/blob/main/website/docs/examples.md