Refactor and add test for backend database setup

[PeanutPiglet]

Proposed Changes

Refactors the backend database setup of static info tables to use insertMany_ instead of insert.
Adds tests that verify these static info entries are populated in the database.

Type of Change

Type	Applies?
🚨 Breaking change (fix or feature that would cause existing functionality to change)
✨ New feature (non-breaking change that adds functionality)
🐛 Bug fix (non-breaking change that fixes an issue)
🎨 User interface change (change to user interface; provide screenshots)
♻️ Refactoring (internal change to codebase, without changing functionality)	X
🚦 Test update (change that only adds or modifies tests)	X
📦 Dependency update (change that updates a dependency)
🔧 Internal (change that only affects developers or continuous integration)

Checklist

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  • Check that all changes are relevant to the purpose of this pull request, as described above.
• I have added tests for my changes, if applicable.
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[coveralls]

Coverage Report for CI Build 36157842010

Coverage increased (+0.5%) to 60.307%

Details

• Coverage increased (+0.5%) from the base build.
• Patch coverage: 11 of 11 lines across 1 file are fully covered (100%).
• No coverage regressions found.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	4335
Covered Lines:	2672
Line Coverage:	61.64%
Relevant Branches:	1001
Covered Branches:	546
Branch Coverage:	54.55%
Branches in Coverage %:	Yes
Coverage Strength:	156.25 hits per line

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💛 - Coveralls