code: function arrayContainsItem(array, value, options) {
    if (array && _.indexOf(array, value) >= 0) {
      return options.fn(this);
    }
  
    return options.inverse(this);
  }
docs: Does an array contain a value?
  
  @param {object}      array         - Array to scan
  @param {object}      value         - Value to find
  @param {object}      options       - Handlebars options.
  @returns {string}                  - Result