feat: add RSS 涂鸦王国 (#2644)

* add RSS 涂鸦王国

* 移除数据为空时的 item 参数

* 添加缓存


Co-authored-by: DIYgod <diy.d.god@gmail.com>

lib/router.js

@@ -1515,6 +1515,9 @@ router.get('/ccdi/scdc', require('./routes/ccdi/scdc'));
 router.get('/nosetime/:id/:type/:sort?', require('./routes/nosetime/comment'));
 router.get('/nosetime/home', require('./routes/nosetime/home'));
 
+// 涂鸦王国
+router.get('/gracg/:user/:love?', require('./routes/gracg/user'));
+
 // 大侠阿木
 router.get('/daxiaamu/home', require('./routes/daxiaamu/home'));