build(workflows): hail mary for arm64 build

.forgejo/workflows/start.yaml

@@ -1,6 +1,6 @@
 on: [push]
 jobs:
-  test:
+  desec-script:
     runs-on: docker
     container:
       image: node:latest
@@ -9,6 +9,26 @@ jobs:
         uses: actions/checkout@v6
 
       - run: |
-          ls -la
-          echo "test"
+          cd server-scripts/desec-ip-sync/
+
+      - name: Login to Forgejo Container Registry
+        uses: docker/login-action@v4
+        with:
+          registry: git.devdoes.work
+          username: devaine
+          password: ${{ secrets.USER_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v4
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: devaine/desec-script:latest
+
+      #- run: |
+      #    ls -la
+      #    echo "test"