Initial commit: Tencent DNSPod DNS deployment skill

Features:
- Single record deployment (A/CNAME/MX/TXT records)
- Batch deployment from JSON configuration
- Quick service deployment (Web/API/CDN)
- .env file support for secure credential management
- Complete documentation with installation guide
- Error handling and troubleshooting guide

Scripts:
- deploy_record.py - Single record management
- batch_deploy.py - Batch deployment from config
- deploy_service.py - Quick service templates
- list_records.py - Query existing records
- delete_record.py - Remove DNS records

Documentation:
- SKILL.md - Main skill documentation
- INSTALL.md - Installation and quick start
- ENV_SETUP.md - Environment configuration guide
- README.md - Project overview
- references/api-auth.md - API authentication details
- references/common-errors.md - Error handling
- examples/dns-config.json - Batch deployment example

.env.example

@@ -0,0 +1,5 @@
+# 腾讯云DNSPod API密钥配置
+# 获取方式: https://console.cloud.tencent.com/cam/capi
+
+TENCENT_SECRET_ID=你的SecretId
+TENCENT_SECRET_KEY=你的SecretKey