Version:0.0.1.dev.260202

feat: build core architecture & implement user auth modules 🚀
feat: 搭建核心架构并实现用户认证模块 🚀

Framework Migration: Switched from Hertz to Gin, providing a more idiomatic and lightweight web foundation. ⚡
框架迁移：从 Hertz 切换至 Gin，构建了更符合 Go 惯例且轻量级的 Web 基础。⚡

Architectural Overhaul: Refactored the 3-layer architecture from global-variable-based calls to Explicit Dependency Injection (DI) via New... factory functions. This significantly improves testability and decoupling. 🏗️
架构重构：将三层架构从基于“全局变量”的调用重构为通过 New... 工厂函数实现的显式依赖注入 (DI)。这大幅提升了代码的可测试性与解耦程度。🏗️

User Auth: Completed and tested Register, Login, and Token Refresh APIs with robust error handling and Bcrypt password hashing. 🔐
用户认证：完成了注册、登录与 Token 刷新接口并通过测试，包含健壮的错误处理与 Bcrypt 密码哈希加密。🔐

Config Management: Integrated Viper for centralized, environment-aware configuration management. ⚙️
配置管理：集成了 Viper，实现了中心化且具备环境感知能力的配置管理。⚙️

DevOps & Docs:
Added docker-compose.yml for seamless MySQL 8.0 & environment setup. 🐳
Updated README.md with corrections for mistakes in image quoting and formats. 📝
运维与文档：
新增 docker-compose.yml，实现 MySQL 8.0 环境的一键启动。🐳
更新 README.md，修改了一些图片引用和格式上小错误。📝

docker-compose.yml

@@ -0,0 +1,34 @@
+version: '3.8'
+
+services:
+  # MySQL 数据库服务
+  mysql:
+    image: mysql:8.0
+    container_name: SmartFlow-mysql
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: root_password_123  # Root 用户密码
+      MYSQL_DATABASE: redflow                 # 初始创建的数据库名
+      MYSQL_USER: redflow_user                # 业务用户
+      MYSQL_PASSWORD: redflow_password_456    # 业务用户密码
+    ports:
+      - "3306:3306"
+    volumes:
+      - ./docker/mysql/data:/var/lib/mysql    # 数据持久化，防止容器删了数据丢失
+    command: --default-authentication-plugin=mysql_native_password # 确保 GORM 连接兼容性
+
+  # Redis 缓存服务
+  redis:
+    image: redis:latest
+    container_name: redflow-redis
+    restart: always
+    command: redis-server --requirepass redis_password_789 # 设置 Redis 访问密码
+    ports:
+      - "6379:6379"
+    volumes:
+      - ./docker/redis/data:/data
+
+# 定义持久化卷的本地路径
+volumes:
+  mysql_data:
+  redis_data: