chore(部署): 增加 Docker 部署配置

关键改动：

- 新增本地和生产 Docker Compose、Web/Server Dockerfile 与 Nginx 模板

- 增加生产部署校验脚本、环境变量示例和 Prisma 初始迁移

- 更新部署文档、README 和架构/决策/流程/路线图说明

Co-Authored-By: Codex GPT-5 <codex@openai.com>

apps/server/package.json

@@ -12,6 +12,7 @@
     "test": "jest",
     "test:watch": "jest --watch",
     "db:migrate": "prisma migrate dev",
+    "db:deploy": "prisma migrate deploy",
     "db:seed": "ts-node prisma/seed.ts",
     "db:studio": "prisma studio"
   },