feat(deploy): Add 1Panel deployment configuration

- Add Docker Compose stack for single-server 1Panel deployments
- Add backend and frontend Dockerfiles for 1Panel builds
- Add Nginx and RocketMQ configuration for container orchestration
- Document required environment variables and deployment steps

backend/config/rocketmq/broker-1panel.conf

@@ -0,0 +1,23 @@
+brokerClusterName = DefaultCluster
+brokerName = broker-single
+brokerId = 0
+
+namesrvAddr = rmqnamesrv:9876
+listenPort = 10911
+
+storePathRootDir = /home/rocketmq/store
+
+sendMessageThreadPoolNums = 8
+pullMessageThreadPoolNums = 8
+queryMessageThreadPoolNums = 4
+
+flushDiskType = ASYNC_FLUSH
+brokerRole = ASYNC_MASTER
+fileReservedTime = 72
+
+mapedFileSizeCommitLog = 1073741824
+mapedFileSizeConsumeQueue = 300000
+
+autoCreateTopicEnable = true
+autoCreateSubscriptionGroup = true
+maxMessageSize = 4194304