add zju in universities (#1802)

添加了对浙江大学的 rss 支持。

lib/router.js

@@ -1192,4 +1192,9 @@ router.get('/gamersky/news', require('./routes/gamersky/news'));
 // 游研社
 router.get('/yystv/recommend/', require('./routes/yystv/recommend'));
 
+// 浙江大学
+router.get('/zju/physics/:type', require('./routes/universities/zju/physics'));
+router.get('/zju/grs/:type', require('./routes/universities/zju/grs'));
+router.get('/zju/career/:type', require('./routes/universities/zju/career'));
+
 module.exports = router;