add: OSChina blog (#1807)

增加开源中国用户博客订阅，增加开源中国新闻rss的作者元素，便于参数过滤。

lib/router.js

@@ -485,6 +485,8 @@ router.get('/linkedkeeper/:type/:id?', require('./routes/linkedkeeper/index'));
 
 // 开源中国
 router.get('/oschina/news', require('./routes/oschina/news'));
+router.get('/oschina/user/:id', require('./routes/oschina/user'));
+router.get('/oschina/u/:id', require('./routes/oschina/u'));
 
 // 安全客
 router.get('/aqk/vul', require('./routes/aqk/vul'));