chore(deps): 添加数据库和 Markdown 相关依赖

- 添加 drizzle-orm 和 drizzle-kit 用于数据库 ORM
- 添加 pg 驱动和类型定义
- 添加 react-markdown 和 remark-gfm 用于 Markdown 渲染
- 添加 prismjs 用于代码语法高亮
- 添加 nanoid 用于生成唯一 ID
- 添加 tsx 用于执行 TypeScript 脚本
- 添加数据库相关 npm scripts

package.json

@@ -6,23 +6,37 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "eslint"
+    "lint": "eslint",
+    "db:generate": "drizzle-kit generate",
+    "db:push": "drizzle-kit push",
+    "db:studio": "drizzle-kit studio",
+    "db:seed": "npx tsx src/drizzle/seed.ts"
   },
   "dependencies": {
+    "@types/prismjs": "^1.26.5",
     "clsx": "^2.1.1",
+    "drizzle-orm": "^0.45.1",
     "lucide-react": "^0.561.0",
+    "nanoid": "^5.1.6",
     "next": "16.0.10",
+    "pg": "^8.16.3",
+    "prismjs": "^1.30.0",
     "react": "19.2.1",
-    "react-dom": "19.2.1"
+    "react-dom": "19.2.1",
+    "react-markdown": "^10.1.0",
+    "remark-gfm": "^4.0.1"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
     "@types/node": "^20",
+    "@types/pg": "^8.16.0",
     "@types/react": "^19",
     "@types/react-dom": "^19",
+    "drizzle-kit": "^0.31.8",
     "eslint": "^9",
     "eslint-config-next": "16.0.10",
     "tailwindcss": "^4",
+    "tsx": "^4.21.0",
     "typescript": "^5"
   }
 }