add qingfuwu sponsor

Author: yyx990803

themes/vue/_config.yml

@@ -16,6 +16,9 @@ platinum_sponsors_china:
     url: >-
       https://www.authing.cn/welcome?utm_source=Vuejs&utm_medium=CPT&utm_campaign=EN&utm_term=page-EN
     img: authing.svg
+  - name: qingfuwu
+    url: https://qingfuwu.cn?utm_campaign=TR_eSJH7nqW&utm_content=&utm_medium=Web&utm_source=CH_53OxwryD&utm_term=
+    img: qingfuwu-v2.svg
 platinum_sponsors:
   - url: >-
       https://vueschool.io/?utm_source=Vuejs.org&utm_medium=Banner&utm_campaign=Sponsored%20Banner&utm_content=V1