v3.4.0

• Add toc.init_open configuration items.

  toc:
    init_open: true

• Add author_label settings.

  post:
   author_label:
     enable: true
     auto: false
     custom_label_list: [ "FE Trainee", "FE Engineer", "FE Architect", "CTO", "BOSS" ]

• Modify comment configuration logic.

  comment:
    enable: true
    use: valine  # values: valine | gitalk | twikoo        

• Optimize UI style.

• Fixed some bugs.

• Enhancing user experience.