fix: correct multiplatform builds

because apparently manifests are too difficult

docker-compose.yml.example

@@ -0,0 +1,15 @@
+version: "3"
+
+services:
+  zerotierbridge:
+    container_name: zerotierbridge
+    image: registry.dangerous.tech/dangeroustech/zerotierbridge
+    restart: always
+    privileged: true
+    volumes:
+      - zt_config:/var/lib/zerotier-one
+    environment:
+      - ZT_NETWORKS=NETWORK_ID_1 NETWORK_ID_2 NETWORK_ID_3
+      - ZT_BRIDGE=true
+volumes:
+  zt_config: