add workflow

.forgejo/workflows/build.yaml

@@ -7,10 +7,6 @@ jobs:
     steps:
       - name: Checkout the repo
         uses: actions/checkout@v4
-      - name: Setup Docker Buildx
-        uses: docker/setup-buildx-action@v1
       - name: Build
-        uses: docker/build-push-action@v6
-        with:
-          push: false
+        run: make