code: function js() {
    return gulp
      .src([
        './js/*.js',
        '!./js/*.min.js'
      ])
      .pipe(uglify())
      .pipe(header(banner, {
        pkg: pkg
      }))
      .pipe(rename({
        suffix: '.min'
      }))
      .pipe(gulp.dest('./js'))
      .pipe(browsersync.stream());
  }
docs: JS task