Add university scraper system with backend, frontend, and configs

- Add src/university_scraper module with scraper, analyzer, and CLI
- Add backend FastAPI service with API endpoints and database models
- Add frontend React app with university management pages
- Add configs for Harvard, Manchester, and UCL universities
- Add artifacts with various scraper implementations
- Add Docker compose configuration for deployment
- Update .gitignore to exclude generated files

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/app/main.py

@@ -0,0 +1,72 @@
+"""
+University Scraper Web API
+
+主应用入口
+"""
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from .config import settings
+from .database import init_db
+from .api import api_router
+
+# 创建应用
+app = FastAPI(
+    title=settings.APP_NAME,
+    version=settings.APP_VERSION,
+    description="""
+## 大学爬虫Web系统 API
+
+### 功能
+- 🏫 **大学管理**: 添加、编辑、删除大学
+- 📜 **脚本生成**: 一键生成爬虫脚本
+- 🚀 **任务执行**: 一键运行爬虫
+- 📊 **数据查看**: 查看和导出爬取结果
+
+### 数据结构
+大学 → 学院 → 项目 → 导师
+    """,
+    docs_url="/docs",
+    redoc_url="/redoc"
+)
+
+# 配置CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=settings.CORS_ORIGINS,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# 注册路由
+app.include_router(api_router, prefix="/api")
+
+
+@app.on_event("startup")
+async def startup_event():
+    """应用启动时初始化数据库"""
+    init_db()
+
+
+@app.get("/")
+async def root():
+    """根路由"""
+    return {
+        "name": settings.APP_NAME,
+        "version": settings.APP_VERSION,
+        "docs": "/docs",
+        "api": "/api"
+    }
+
+
+@app.get("/health")
+async def health_check():
+    """健康检查"""
+    return {"status": "healthy"}
+
+
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=8000)