Allows you to show rental availability map.
<input autocomplete="off" class="date form-control" data-datepicker=""
          id="bs_booknow_start_at" name="start_at"
          placeholder="{% t 'rentals.booknow.checkin.placeholder' %}"
          data-min="{{ time.today | date: '%Y-%m-%d' }}"
          data-availability-map="{{ rental.availability.map }}"
          data-tentatives-as-available="{{ site.tentatives_as_available }}"
          data-availability-start-date="{{ rental.availability.start_date | date: '%Y-%m-%d' }}"
          data-value="{{ search_form.checkin | date: '%Y-%m-%d'  }}"
          type="text" value="{{ search_form.checkin | date: '%b %d, %Y' }}">Available attribute:
| Name | Type | Description | 
|---|---|---|
| map | String | status of the day (if it’s available etc.) | 
| start_date | Date | start date |