fix: can not download plugins bug

Author: yihong0618

lib/config.js

@@ -60,7 +60,7 @@ const DEFAULT_CONFIG = {
       verify:                    'https://leetcode.com/submissions/detail/$id/check/',
       favorites:                 'https://leetcode.com/list/api/questions',
       favorite_delete:           'https://leetcode.com/list/api/questions/$hash/$id',
-      plugin:                    'https://raw.githubusercontent.com/leetcode-tools/leetcode-cli-plugins/master/plugins/$name.js'
+      plugin:                    'https://raw.githubusercontent.com/leetcode-tools/leetcode-cli/master/lib/plugins/$name.js'
     },
   },