feat: 增加通知系统、RabbitMQ集成及Docker一键部署脚本

1. 新增通知中心功能，支持好友请求、评论、点赞等多种通知类型的持久化与推送
2. 集成 RabbitMQ 用于异步处理动态日志，解耦动态服务与日志记录逻辑
3. 提供完整的 Docker Compose 部署方案及一键启动/停止脚本（Shell/Bat）
4. 优化文件服务，增加图片上传时的自动压缩处理以节省存储空间
5. 增强动态服务，支持通过 shareId 公开访问动态项及关键词搜索功能
6. 完善代码健壮性，在关键业务 Service 层增加 @Transactional 事务控制

deploy/conf/my.cnf

@@ -0,0 +1,45 @@
+[mysqld]
+# Basic settings
+port = 33306
+bind-address = 0.0.0.0
+server-id = 1
+
+# Data directory
+datadir = /var/lib/mysql
+
+# Character set
+character-set-server = utf8mb4
+collation-server = utf8mb4_unicode_ci
+
+# Log settings
+log-error = /var/log/mysql/error.log
+slow-query-log = 1
+slow-query-log-file = /var/log/mysql/slow.log
+long_query_time = 2
+
+# Connection settings
+max_connections = 200
+max_connect_errors = 6000
+open_files_limit = 65535
+
+# InnoDB settings
+default-storage-engine = innodb
+innodb_buffer_pool_size = 1G
+innodb_log_file_size = 256M
+innodb_log_buffer_size = 64M
+innodb_flush_log_at_trx_commit = 2
+innodb_lock_wait_timeout = 50
+
+# Security
+skip-name-resolve
+
+# Binary log (for replication)
+log-bin = mysql-bin
+binlog-format = ROW
+expire_logs_days = 7
+
+# Performance settings
+query_cache_size = 64M
+query_cache_type = 1
+tmp_table_size = 256M
+max_heap_table_size = 256M