更新 docker-compose-pwd.yml，添加 syncthing 服务的部署副本配置

stacks/syncthing/docker-compose-pwd.yml

@@ -14,6 +14,8 @@ x-common-configuration: &common-configuration
     retries: 3
 services:
   syncthing-1:
+    deploy:
+      replicas: 1
     <<: *common-configuration
     hostname: my-syncthing-1
     volumes:
@@ -22,6 +24,8 @@ services:
     ports:
       - 28001:8384
   syncthing-2:
+    deploy:
+        replicas: 1
     depends_on:
       - syncthing-1
     <<: *common-configuration