feat: Add from_embeddings functionality, refactored utils

[Pringled]

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[codecov-commenter]

Codecov Report

❌ Patch coverage is 96.92308% with 4 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
semhash/semhash.py	86.20%	4 Missing ⚠️

Files with missing lines	Coverage Δ
semhash/datamodels.py	95.00% <100.00%> (-0.13%)	⬇️
semhash/utils.py	100.00% <100.00%> (+35.71%)	⬆️
tests/test_semhash.py	100.00% <100.00%> (ø)
tests/test_utils.py	100.00% <100.00%> (ø)
semhash/semhash.py	91.01% <86.20%> (-2.22%)	⬇️

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