feat: add library benchmarks

[eonu]

Add library benchmarks

Implements #249.

Checklist

• I have added new tests (if necessary).
• I have ensured that tests and coverage are passing on CI.
• I have updated any relevant documentation (if necessary).
• I have used a descriptive pull request title.

[coveralls]

Pull Request Test Coverage Report for Build f33834f8-3bd7-46d3-a425-61d10a77a771

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 83.517%

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Totals
Change from base Build 124df656-9be2-4586-a56c-786aea1a648c:	0.0%
Covered Lines:	983
Relevant Lines:	1177

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💛 - Coveralls