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README.md

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-# conversion of the obf website to GitHub pages
+[![pre-commit.ci status](https://results.pre-commit.ci/badge/github/OBF/OBF.github.io/main.svg)](https://results.pre-commit.ci/latest/github/OBF/OBF.github.io/main)
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+# Conversion of the obf website to GitHub pages
 
 Migration of the OBF WP site to a static site generator (Hugo)