Add CI/CD

Author: Julien CAFFET

.github/workflows/deploy-frontend.yaml

@@ -72,10 +72,10 @@ jobs:
 
       - name: Building sources
         run: |
+          cd frontend
           mkdir build
-          ls -la
           npm run build --if-present
-        # working-directory: ${{ env.BUILD_DIR }}
+        working-directory: ${{ env.BUILD_DIR }}
 
       - name: Configure AWS credentials
         uses: aws-actions/configure-aws-credentials@v4