374 Import Manager Update

[JohnMwashuma]

Fixes #374

Task check list

---

• Make race types dynamic, replacing them with electrol races.
• Add ballots and sub con ballots files to the import work flow.
• Refactor tally creation logic into separate files based on the type of file being processed and objects being created.
• Bulk create tally objects to speed up the tally creation process.
• Use celery to make the import process async, cache elements processed in memcache for the client side to pull the progress.
• Refactor all references to the Race Type enum to use ballot electrol races election level and sub race.
• Fix existing failing tests.
• Add tests for the suggested changes.

Related to

---

• Add celery and memcache ansible-tally-ho#17
• https://github.com/onaio/infrastructure/pull/7122

[codecov-commenter]

Codecov Report

Merging #413 (1ed75a1) into master (5de1f34) will increase coverage by 3.62%.
The diff coverage is 71.20%.

@@            Coverage Diff             @@
##           master     #413      +/-   ##
==========================================
+ Coverage   67.09%   70.71%   +3.62%     
==========================================
  Files         123      135      +12     
  Lines        7855     8664     +809     
==========================================
+ Hits         5270     6127     +857     
+ Misses       2585     2537      -48     

Impacted Files	Coverage Δ
...ly_ho/apps/tally/views/data/candidate_list_view.py	92.15% <ø> (+4.88%)	⬆️
tally_ho/apps/tally/views/intake.py	89.38% <0.00%> (+1.73%)	⬆️
tally_ho/libs/views/exports.py	14.07% <ø> (-0.36%)	⬇️
tally_ho/urls.py	96.29% <ø> (ø)
tally_ho/apps/tally/views/tally_manager.py	44.07% <19.60%> (+3.81%)	⬆️
...ally/views/reports/administrative_areas_reports.py	33.07% <25.73%> (-1.03%)	⬇️
tally_ho/apps/tally/forms/barcode_form.py	88.63% <50.00%> (-0.50%)	⬇️
tally_ho/libs/utils/active_status.py	62.33% <52.00%> (-11.86%)	⬇️
tally_ho/apps/tally/views/super_admin.py	68.47% <53.96%> (-3.22%)	⬇️
...o/apps/tally/views/data/electrol_race_list_view.py	55.55% <55.55%> (ø)
... and 38 more

... and 3 files with indirect coverage changes

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