docs(website): 添加简记memo产品原型和UI设计规范文档

- 新增「简记memo」一体化小程序产品原型设计文档
- 新增简记memo完整版UI视觉设计规范和界面细节
- 添加IDEA项目配置文件.gitignore
- 创建404页面HTML文件，包含响应式布局和错误提示
- 添加关于页面HTML文件，展示品牌介绍和团队信息
- 实现AES加解密工具函数，支持请求体加密
- 添加用户协议页面基础框架

config/config-prod.yaml

@@ -0,0 +1,48 @@
+# 生产环境配置
+server:
+  port: 80
+  mode: release
+
+mysql:
+  host: 127.0.0.1
+  port: 3306
+  dbname: simple_memo_prod
+  username: sunct_online
+  password: zEm4Ehixx7XfmXNJ
+
+redis:
+  host: 127.0.0.1
+  port: 6380
+  password: ""
+  db: 0
+
+jwt:
+  key: "prod-jwt-simple-memo-2026-xxxx"
+  expire: 86400*7  # 1天
+
+aes:
+  key: "a1s2d3f4g5h6j7k8l9z0xq1w2e3r4t5y6"
+  iv: "q1w2e3r4t5y6u7i8"
+
+log:
+  path: "./logs/prod.log"
+
+wechat:
+  app_id: "wx6a3215bd78a6ff13"
+  app_secret: "00d66660efe4da31057dd401b1e07a6e"
+  web_redirect_uri: "https://your-domain.com/api/web/auth/callback"
+
+email:
+  smtp_host: "smtp.qiye.aliyun.com"
+  smtp_port: 465
+  smtp_user: "memo_noreply@miaoall.cn"
+  smtp_password: "wwpnme4odnnj"
+  from: "简记memo <memo_noreply@miaoall.cn>"
+
+ai:
+  provider: "spark"
+  api_password: "OjAdJyOqCVmVYUFyaQJq:GQZNWpiVJTytmiSWuaTq"
+  base_url: "https://spark-api-open.xf-yun.com/v1"
+  model: "lite"
+  max_tokens: 1024
+  timeout: 30