feat: add RF技术社区文章 (#4749)

lib/router.js

@@ -2665,6 +2665,9 @@ router.get('/qingting/channel/:id', require('./routes/qingting/channel'));
 // 金色财经
 router.get('/jinse/lives', require('./routes/jinse/lives'));
 
+// RF技术社区
+router.get('/rf/article', require('./routes/rf/article'));
+
 // University of Massachusetts Amherst
 router.get('/umass/amherst/ecenews', require('./routes/umass/amherst/ecenews'));
 router.get('/umass/amherst/csnews', require('./routes/umass/amherst/csnews'));