feat: 初始化 Toolso.AI 开源 AI 工具导航站项目

🎯 项目概述
- 一个开源的 AI 工具导航站，帮助用户发现和探索优秀的 AI 工具
- 基于 Next.js 16 + React 19 构建的现代化全栈应用

✨ 核心功能
- AI 工具目录：分类展示、搜索筛选、工具详情页
- 工具提交：用户可提交新工具，社区驱动
- 管理后台：工具审核、用户管理、角色权限控制
- 博客系统：MDX 驱动，AI 资讯和教程
- 国际化支持：中文/英文双语 (next-intl)
- 用户认证：Better Auth + Google OAuth
- 深色/浅色主题切换

🛠 技术栈
- 前端：Next.js 16 (App Router) + React 19 + TypeScript
- 样式：Tailwind CSS + Framer Motion 动画
- UI 组件：自定义组件库 + Radix UI
- 表单验证：React Hook Form + Zod
- 数据库：PostgreSQL + Drizzle ORM
- 认证：Better Auth (邮箱密码 + Google OAuth)
- 邮件：Resend (验证邮件 + Newsletter)
- 存储：Cloudflare R2 / AWS S3 兼容

📁 项目结构
- src/app/[locale]/(auth) - 认证页面
- src/app/[locale]/(marketing) - 营销页面 (首页、博客、工具目录)
- src/app/[locale]/(protected) - 受保护页面 (仪表板、个人资料)
- src/app/[locale]/(admin) - 管理后台
- src/features - 功能模块
- src/lib - 核心业务逻辑
- messages - 国际化翻译文件

🗄 数据库
- 包含 user, session, account, verification, passwordResetToken 等核心表
- 支持 Drizzle ORM 迁移管理

📝 文档
- 完整的 CLAUDE.md 项目指南
- 环境变量配置示例 (.env.example)
- MIT 开源许可证

.env.example

@@ -0,0 +1,85 @@
+# ====================================
+# Database Configuration
+# ====================================
+# PostgreSQL connection string
+# Format: postgresql://username:password@host:port/database?sslmode=require
+DATABASE_URL="postgresql://username:password@host/database?sslmode=require"
+
+# ====================================
+# Authentication (Better Auth)
+# ====================================
+# Secret key for Better Auth (must be at least 32 characters in production)
+# Generate with: openssl rand -base64 32
+BETTER_AUTH_SECRET="your-super-secret-key-at-least-32-characters-long-for-production"
+
+# The URL where your app is hosted
+BETTER_AUTH_URL="http://localhost:3000"
+
+# ====================================
+# Google OAuth (Optional)
+# ====================================
+# Get these from: https://console.cloud.google.com/
+# Guide: https://authjs.dev/getting-started/providers/google
+AUTH_GOOGLE_ID="your-google-client-id"
+AUTH_GOOGLE_SECRET="your-google-client-secret"
+
+# Public Google OAuth settings
+NEXT_PUBLIC_AUTH_GOOGLE_ENABLED="true"
+NEXT_PUBLIC_AUTH_GOOGLE_ONE_TAP_ENABLED="true"
+
+# ====================================
+# Email Service (Required for email features)
+# ====================================
+# Resend API for transactional emails
+# Get your API key from: https://resend.com
+RESEND_API_KEY="re_your_api_key"
+
+# Email Configuration - Choose one of the following options:
+#
+# Set a complete from email address (recommended, highest priority)
+RESEND_FROM_EMAIL="Your App <noreply@yourdomain.com>"
+
+# Optional: Resend Audience ID for newsletter/marketing
+RESEND_AUDIENCE_ID="your-resend-audience-id"
+
+# ====================================
+# Analytics & Monitoring (Optional)
+# ====================================
+# Posthog Analytics
+NEXT_PUBLIC_POSTHOG_KEY=""
+NEXT_PUBLIC_POSTHOG_HOST=""
+
+# Google Analytics
+NEXT_PUBLIC_GOOGLE_ANALYTICS_ID=""
+
+# Microsoft Clarity
+NEXT_PUBLIC_CLARITY_PROJECT_ID=""
+
+# Analytics Feature Flags（可选）
+NEXT_PUBLIC_ANALYTICS_ENABLE_IN_DEVELOPMENT=""
+
+# ====================================
+# Storage Configuration (Optional - for file uploads)
+# ====================================
+# R2/S3-compatible storage for file uploads
+# Works with Cloudflare R2, AWS S3, MinIO, etc.
+STORAGE_ACCESS_KEY_ID=""
+STORAGE_SECRET_ACCESS_KEY=""
+STORAGE_ENDPOINT=""
+STORAGE_BUCKET_NAME="uploads"
+STORAGE_PUBLIC_URL=""
+
+# ====================================
+# Application Settings
+# ====================================
+# Public app URL (update in production)
+NEXT_PUBLIC_APP_URL="http://localhost:3000"
+
+# Node environment
+NODE_ENV="development"
+
+# ====================================
+# Feature Flags (Optional)
+# ====================================
+# Enable/disable features
+NEXT_PUBLIC_MAINTENANCE_MODE="false"