Mettre à jour le fichier .gitlab-ci.yml

.gitlab-ci.yml

+stages:
+  - format
+
+format_json:
+  stage: format
+  image: alpine:latest
+  before_script:
+    - apk add --no-cache jq git
+  script:
+    - for file in Notebooks/*.ipynb; do jq --indent 1 . "$file" > tmp && mv tmp "$file"; done
+    - git add --all
+    - git commit -m "Formatted IPYNB files"
+    - git push origin $CI_COMMIT_REF_NAME
+  rules:
+    - changes:
+        - "*.ipynb"
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