assemble-sitemap

assemble: {
      pages: {
        options: {
          assets: '<%= config.dist %>/assets',
          layout: '<%= config.src %>/templates/layouts/default.hbs',
          data: '<%= config.src %>/data/*.{json,yml}',
          partials: '<%= config.src %>/templates/partials/**/*.hbs',
          plugins: ['assemble-contrib-sitemap'],
          sitemap: {
            homepage: 'http://viareport.com',
            changefreq: 'weekly',
            priority: '0.8',
          }
        },
        files: [{
          expand: true, 
          cwd: '<%= config.src %>/templates/pages/', 
          src: '**/*.hbs', 
          dest: '<%= config.dist %>'
        }]
      }
    },