Adding Facebook social comment configuration
Adding Facebook social comment configuration

hexojs/hexo-theme-light,Shitaibin/light-hexo-github,OdinsHat/hexo-theme-light,yimun/hexo-theme-light,bingli8882/hexo-theme-transparent,penjun/hexo-theme-light,noahziheng/hexo-theme-exlight,hustcer/hexo-theme-air,noname007/hexo-theme-light,hustcer/hexo-theme-air,szcx/hight,Sean8694/hexo-theme-light,hexojs/hexo-theme-light,OdinsHat/hexo-theme-light,jmacmahon/hexo-theme-light,Rennzh/hexo-theme-light,syhlion/hexo-theme-light,noahziheng/hexo-theme-exlight,fengrenxiaoli/hexo-theme-light,Abetter/hexo-theme-light