chore: coverage badge (#14)

Author: helio-frota

README.md

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 [![ci](https://github.com/trustification/AIBOM-generator/actions/workflows/eslint.yml/badge.svg)](https://github.com/trustification/AIBOM-generator/actions/workflows/eslint.yml)
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 # AIBOM Generator for Hugging Face Models
 
 ## Overview