keep multiple versions of github pages

[FrenchGithubUser]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.37%. Comparing base (d44d0bb) to head (435c2d7).
⚠️ Report is 48 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #254      +/-   ##
==========================================
+ Coverage   80.22%   80.37%   +0.14%     
==========================================
  Files         500      501       +1     
  Lines       71714    72337     +623     
  Branches    10790    10906     +116     
==========================================
+ Hits        57536    58142     +606     
+ Misses      10919    10912       -7     
- Partials     3259     3283      +24     

see 71 files with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d44d0bb...435c2d7. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[FrenchGithubUser]

closed in favor of #255

no / in the branch name to allow testing