Auto initialize algorithms in DB

[ericbuckley]

Description

Configuring the code to optionally load in initial algorithms after the tables have been initialized. Doing so, removes our needs now for having to use a database migration tool for the near future.

Related Issues

closes #57

Additional Notes

• This is contentious, but have removed alembic. Using alembic has required a lot of manual effort to get migrations correct, with little benefit this early in a project. Our schema hasn't stabilized yet, and we don't have any systems running the code in production, so it's of little value. Over time, we may need to bring this back to safely adjust production schemas, but now is not the time.
• Created assets/initial_algorithms.json with the two existing DIBBs algorithms. We can use this for our test cases, and also initializing a new database with the data, if the INITIAL_ALGORITHMS env variable is set. This also gives customers another option for managing their algorithms, in they can write their own and set the INITIAL_ALGORITHMS env variable to load that json file.
• Capitalized schemas.pii.Features. The blocking keys were capitalized, so making them both capitalized will hopefully reduce errors in writing the algorithm specs.
• Consolidated some of the assets and testing assets, as there were duplicates and there was some testing files in the top level one.

<--------------------- REMOVE THE LINES BELOW BEFORE MERGING --------------------->

Checklist

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.51%. Comparing base (bc0d93f) to head (c0c55ea).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #89      +/-   ##
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+ Coverage   93.26%   93.51%   +0.24%     
==========================================
  Files          19       19              
  Lines         936      971      +35     
==========================================
+ Hits          873      908      +35     
  Misses         63       63              

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[alhayward]

Nice work! Left a few quick questions & 1 suggestion. The justification for moving away from Alembic for now makes sense.

[alhayward]

LGTM!