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>

turbo.json

@@ -0,0 +1,22 @@
+{
+  "$schema": "https://turbo.build/schema.json",
+  "tasks": {
+    "dev": {
+      "cache": false,
+      "persistent": true
+    },
+    "build": {
+      "dependsOn": ["^build"],
+      "outputs": [".next/**", "dist/**"]
+    },
+    "lint": {
+      "dependsOn": ["^build"]
+    },
+    "type-check": {
+      "dependsOn": ["^build"]
+    },
+    "test": {
+      "dependsOn": ["^build"]
+    }
+  }
+}