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-dc-data.sql

@@ -0,0 +1,27 @@
+-- Initialize Telegram Data Centers
+USE tg_manage;
+
+-- Create table if not exists
+CREATE TABLE IF NOT EXISTS `tg_dc` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `ip` varchar(255) NOT NULL COMMENT 'IP地址',
+  `port` varchar(255) NOT NULL COMMENT '端口',
+  `address` varchar(255) NOT NULL COMMENT '地址,1美国,2荷兰,3美国,4荷兰,5新加坡',
+  `createdAt` datetime DEFAULT CURRENT_TIMESTAMP,
+  `updatedAt` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='Telegram数据中心表';
+
+-- Clear existing data
+TRUNCATE TABLE `tg_dc`;
+
+-- Insert Telegram Data Centers
+INSERT INTO `tg_dc` (`id`, `ip`, `port`, `address`) VALUES
+(1, '149.154.175.50', '443', '1'),  -- DC1 Miami, USA
+(2, '149.154.167.50', '443', '2'),  -- DC2 Amsterdam, Netherlands
+(3, '149.154.175.100', '443', '3'), -- DC3 Miami, USA
+(4, '149.154.167.91', '443', '4'),  -- DC4 Amsterdam, Netherlands
+(5, '91.108.56.100', '443', '5');   -- DC5 Singapore
+
+-- Verify data
+SELECT * FROM `tg_dc`;