hexo博客新增评论系统

修改配置文件`_config.butterfly.yml:`

comments:
  # Up to two comments system, the first will be shown as default
  # Choose: Disqus/Disqusjs/Livere/Gitalk/Valine/Waline/Utterances/Facebook Comments/Twikoo/Giscus/Remark42/Artalk
  use: Valine
  text: true # Display the comment name next to the button
  # lazyload: The comment system will be load when comment element enters the browser's viewport.
  # If you set it to true, the comment count will be invalid
  lazyload: true
  count: true # Display comment count in post's top_img
  card_post_count: false # Display comment count in Home Page

添加`valine`配置文件

valine:
  appId: xxxx                #从leancloud官网获得
  appKey: xxxx		     #从leancloud官网获得	
  avatar: monsterid # gravatar style https://valine.js.org/#/avatar
  serverURLs: # This configuration is suitable for domestic custom domain name users, overseas version will be automatically detected (no need to manually fill in)
  bg: # valine background
  visitor: false
  option: