feat: 初始化 FTB 智能项目管理系统 monorepo 项目结构

包含 Turborepo 配置、Next.js 前端骨架、NestJS 后端骨架、Prisma Schema、
共享类型包、Docker Compose 和环境变量模板。

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

packages/shared/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "@ftb/shared",
+  "version": "0.0.1",
+  "private": true,
+  "main": "./src/index.ts",
+  "types": "./src/index.ts",
+  "scripts": {
+    "type-check": "tsc --noEmit",
+    "lint": "eslint src/"
+  },
+  "devDependencies": {
+    "typescript": "^5.5.0"
+  }
+}