Ajout d'un fichier d'action pour CI

.forgejo/workflows/build.yaml

@@ -0,0 +1,19 @@
+on: [push]
+jobs:
+  build:
+    runs-on: docker
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Docker Login
+        run: |
+          echo "${{ secrets.DOCKER_PASSWORD }}" | docker login git.interhacker.space -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
+
+      - name: Build Docker Image
+        run: |
+          docker build -t git.interhacker.space/interhack/camp-website-2026:latest .
+
+      - name: Push Docker Image
+        run: |
+          docker push git.interhacker.space/interhack/camp-website-2026:latest