feat(haproxy): 添加haproxy配置文件和部署文档

添加haproxy相关配置文件包括：
1. 部署文档readme.md
2. 环境变量配置文件env.cfg
3. docker-compose部署文件stack.yml
4. MySQL和Redis代理配置haproxy_mysql_redis.cfg
5. 主配置文件haproxy.cfg

haproxy/stack.yml

@@ -0,0 +1,14 @@
+## RUN:: docker compose -p haproxy --env-file ./haproxy/env.cfg -f ./haproxy/stack.yml up -d
+
+services:
+  haproxy:
+    image: ${IMAGE_TAG}
+    restart: always
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - ${Volumes_Path}/haproxy/:/usr/local/etc/haproxy
+      - /etc/localtime:/etc/localtime:ro
+    environment:
+      - TZ=Asia/Shanghai