route: add 爱思想 aisixiang.com (#1572)

* route: add 爱思想 aisixiang.com

* route: add 爱思想排行榜

* docs

lib/router.js

@@ -1045,6 +1045,10 @@ router.get('/gaoqing/latest', require('./routes/gaoqing/latest'));
 // 轻小说文库
 router.get('/wenku8/chapter/:id', require('./routes/wenku8/chapter'));
 
+// 爱思想
+router.get('/aisixiang/column/:id', require('./routes/aisixiang/column'));
+router.get('/aisixiang/ranking/:type?/:range?', require('./routes/aisixiang/ranking'));
+
 // LeetCode
 router.get('/leetcode/articles', require('./routes/leetcode/articles'));