feat(trendradar): 添加 TrendRadar 应用及相关配置

apps/trendradar/README_en.md

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+# TrendRadar - Trend Radar
+
+A lightweight multi-platform trend monitoring tool that helps you track various trending topics and trend changes in real-time.
+
+## 🚀 Core Features
+
+### 📊 Multi-Platform Data Aggregation
+- Integrated with newsnow project API for multiple mainstream platforms
+- Real-time aggregation of trending topics and data
+- Intelligent data cleaning, deduplication, and quality optimization
+- Support for Chinese platforms like Weibo, Zhihu, Baidu hot trends tracking
+
+### 🤖 AI-Powered Analysis
+- AI-driven trend analysis engine
+- Automatic identification and categorization of trending topics
+- Trend prediction and development assessment
+- Intelligent keyword extraction and topic summarization
+- Heat score analysis and trend strength evaluation
+
+### 📈 Data Visualization
+- Intuitive trend charts and heatmap displays
+- Multi-dimensional data analysis and cross-comparison
+- Historical trend retrospection and prediction display
+- Interactive data exploration interface
+- Support for chart export and sharing
+
+### 🔍 Real-Time Monitoring
+- 7×24 continuous monitoring and data collection
+- Real-time push notifications for important trend changes
+- Customizable monitoring rules and keyword filtering
+- Anomaly detection and alert mechanisms
+- Batch monitoring task management
+
+### 💾 Flexible Storage Architecture
+- **Local Storage**: SQLite database, fully autonomous and controllable
+- **Cloud Storage**: S3-compatible protocol support (Cloudflare R2, Alibaba Cloud OSS, Tencent Cloud COS, etc.)
+- **Data Backup**: Automatic backup and recovery mechanisms
+- **Storage Optimization**: Data compression and archival strategies
+
+### 🔌 Multiple Deployment Options
+- **Docker Deployment**: One-click containerized deployment, most stable and simple
+- **GitHub Actions Deployment**: Cloud-based automated operation
+- **MCP Client Support**: Integrated with Model Context Protocol
+
+## 🎯 Use Cases
+
+- **Market Research**: Track industry trends and competitive dynamics
+- **Content Creation**: Discover trending topics and creative inspiration
+- **Investment Analysis**: Monitor market sentiment and hot sectors
+- **Reputation Monitoring**: Stay updated on brand and industry dynamics
+
+## ⚡ Core Features
+
+- **Lightweight Deployment**: Minimal resource footprint
+- **High Usability**: Simple and intuitive interface
+- **High Reliability**: Stable data acquisition and analysis
+- **Scalability**: Multiple deployment options supported
+
+## 🛠️ Tech Stack
+
+- Python backend development
+- SQLite/Cloud storage data management
+- AI analysis engine
+- RESTful API interface
+- Docker containerization support
+
+---
+
+**TrendRadar** - Making trend insights simple and efficient