add cors instrument

[lesnik512]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Flag	Coverage Δ
unittests	100.00% <100.00%> (ø)

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Files with missing lines	Coverage Δ
...te_bootstrap/bootstrappers/fastapi_bootstrapper.py	100.00% <100.00%> (ø)
...e_bootstrap/bootstrappers/litestar_bootstrapper.py	100.00% <100.00%> (ø)
lite_bootstrap/instruments/cors_instrument.py	100.00% <100.00%> (ø)
tests/test_fastapi_bootstrap.py	100.00% <ø> (ø)
tests/test_litestar_bootstrap.py	100.00% <100.00%> (ø)

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