Includes QEMU (#4)

Author: Lissy93

.github/workflows/build-docker.yml

@@ -41,9 +41,12 @@ jobs:
             echo "DOCKERHUB_TAG=${DOCKERHUB_REGISTRY}/${DOCKER_USER}/${IMAGE_NAME}:${GIT_TAG}" >> $GITHUB_ENV
           fi
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+        
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
-
+        
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v1
         with:
@@ -68,3 +71,4 @@ jobs:
           tags: |
             ${{ env.GHCR_TAG }}
             ${{ env.DOCKERHUB_TAG }}
+