Add alliance details to team detail page

[devyntk]

This PR provides details about Alliance Selection and that Alliance's progression.

Motivation and Context

I often find myself switching back and forth between event pages and alliance pages to determine an team's alliance, and find that the data should just be presented inline.

How Has This Been Tested?

There seem to be no automated tests for the team renderer, so no automated tests were done. Manual tests were done with:

• District teams
• Regional teams
• Teams that were listed as backups, both in the backup field as well as a fake third pick
• Events that have specialized alliance names

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would change API specifications or require data migrations)

[codecov]

Codecov Report

Attention: Patch coverage is 95.37572% with 8 lines in your changes missing coverage. Please review.

Project coverage is 92.88%. Comparing base (24652da) to head (ec9860b).
Report is 210 commits behind head on py3.

Files	Patch %	Lines
src/backend/common/helpers/alliance_helper.py	91.76%	7 Missing ⚠️
src/backend/web/renderers/team_renderer.py	85.71%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              py3    #5937      +/-   ##
==========================================
- Coverage   93.10%   92.88%   -0.23%     
==========================================
  Files         658      659       +1     
  Lines       42145    42665     +520     
  Branches       60       60              
==========================================
+ Hits        39241    39631     +390     
- Misses       2896     3026     +130     
  Partials        8        8              

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[github-actions]

Screenshots

Homepage

GameDay

[fangeugene]

This is awesome. The new typing renaming and organization make a whole lot of sense. A few questions/comments

[fangeugene]

🥳