Implement Minder TestKit

[JAORMX]

Summary

TestKit is an implementation of several interfaces that allows for
easier testing. The intent is to be able to test rule types locally via
a programmatic framework, as opposed to relying on an integration test.

Change Type

Mark the type of change your PR introduces:

• Bug fix (resolves an issue without affecting existing features)
• Feature (adds new functionality without breaking changes)
• Breaking change (may impact existing functionalities or require documentation updates)
• Documentation (updates or additions to documentation)
• Refactoring or test improvements (no bug fixes or new functionality)

Testing

Outline how the changes were tested, including steps to reproduce and any relevant configurations.
Attach screenshots if helpful.

Review Checklist:

• Reviewed my own code for quality and clarity.
• Added comments to complex or tricky code sections.
• Updated any affected documentation.
• Included tests that validate the fix or feature.
• Checked that related changes are merged.

[coveralls]

Pull Request Test Coverage Report for Build 11380319738

Details

• 53 of 63 (84.13%) changed or added relevant lines in 21 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.08%) to 54.717%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
internal/engine/eval/homoglyphs/application/homoglyphs_service.go	0	1	0.0%
internal/engine/eval/vulncheck/vulncheck.go	0	1	0.0%
internal/engine/ingester/diff/diff.go	3	7	42.86%
internal/profiles/util.go	11	15	73.33%

Files with Coverage Reduction	New Missed Lines	%
internal/eea/eea.go	2	73.73%

Totals
Change from base Build 11380297235:	-0.08%
Covered Lines:	14941
Relevant Lines:	27306

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💛 - Coveralls

[jhrozek]

the interfaces are nice! Feel free to fix the misnamed imports in a follow-up