Initial commit: Telegram Management System

Full-stack web application for Telegram management
- Frontend: Vue 3 + Vben Admin
- Backend: NestJS
- Features: User management, group broadcast, statistics

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

database/migrations/init.sql

@@ -0,0 +1,11 @@
+-- Initialize database with proper settings
+SET SQL_MODE = '';
+
+-- Create database if not exists
+CREATE DATABASE IF NOT EXISTS tg_manage CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+USE tg_manage;
+
+-- Grant privileges to user
+GRANT ALL PRIVILEGES ON tg_manage.* TO 'tg_manage'@'%';
+FLUSH PRIVILEGES;