Copy over some django_apps and their associated models to shared

[Swatinem]

This just straight-up copies the following directories from codecov-api:

compare, labelanalysis, profiling and staticanalysis

I would like to have access to these models from the worker, so thats why I am moving those to shared.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.97%. Comparing base (99581a7) to head (36a8ade).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #469      +/-   ##
==========================================
- Coverage   90.55%   89.97%   -0.58%     
==========================================
  Files         404      324      -80     
  Lines       12562     9197    -3365     
  Branches     2107     1633     -474     
==========================================
- Hits        11375     8275    -3100     
+ Misses       1078      859     -219     
+ Partials      109       63      -46     

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[adrian-codecov]

This overall lgtm! When reimporting, can we try letting it sit in staging for a day or something just to make sure they're working fine?