backend: (x86) fix missing __init__.py files

[superlopuh]

We need a way to track this in the CI.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.30%. Comparing base (2d09184) to head (e1f8101).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3943   +/-   ##
=======================================
  Coverage   91.30%   91.30%           
=======================================
  Files         467      467           
  Lines       58068    58068           
  Branches     5581     5581           
=======================================
  Hits        53021    53021           
  Misses       3616     3616           
  Partials     1431     1431           

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[compor]

not sure about the CI, but maybe for our ruff config https://docs.astral.sh/ruff/rules/implicit-namespace-package/

[superlopuh]

This is fantastic and exactly what we need.

[superlopuh]

#3945