Ajouter le workflow temporaire d'import des images GitHub Skills

Author: lilblueyes

.github/workflows/import-github-skills-images.yml

@@ -0,0 +1,50 @@
+name: Importer les images GitHub Skills
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - ".github/workflows/import-github-skills-images.yml"
+
+permissions:
+  contents: write
+
+jobs:
+  import_images:
+    name: Importer les captures historiques
+    runs-on: ubuntu-latest
+    steps:
+      - name: Récupérer le dépôt
+        uses: actions/checkout@v4
+
+      - name: Télécharger les captures officielles historiques
+        shell: bash
+        run: |
+          set -euo pipefail
+          mkdir -p images
+
+          base="https://raw.githubusercontent.com/skills/introduction-to-github/b8a8d9323bd0a3950a932e8d4eedcf3e8028c5a9/images"
+
+          for file in             create-new-repository.png             create-branch-button.png             main-branch-dropdown.png             commit-full-screen.png             compare-and-pull-request.png             Pull-request-description.png             Green-merge-pull-request.png             delete-branch.png
+          do
+            echo "Téléchargement de $file"
+            curl --fail --location --silent --show-error \
+              "$base/$file" \
+              --output "images/$file"
+          done
+
+          for file in images/*.png; do
+            test "$(xxd -p -l 8 "$file")" = "89504e470d0a1a0a"
+          done
+
+      - name: Committer les images
+        shell: bash
+        run: |
+          set -euo pipefail
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add images/
+          git diff --cached --quiet && exit 0
+          git commit -m "Ajouter les captures historiques GitHub Skills"
+          git push