Add second playground base layer to demo layer control

        :center="[47.41322, -1.219482]"

        @move="log('move')"

      >

        <l-tile-layer

          url="http://tile.stamen.com/watercolor/{z}/{x}/{y}.jpg"

          layer-type="base"

          name="Stamen Watercolor"

          attribution="Map tiles by <a href='http://stamen.com'>Stamen Design</a>, under <a href='http://creativecommons.org/licenses/by/3.0'>CC BY 3.0</a>. Data by <a href='http://openstreetmap.org'>OpenStreetMap</a>, under <a href='http://creativecommons.org/licenses/by-sa/3.0'>CC BY SA</a>."

        />

        <l-tile-layer

          url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"

          layer-type="base"

          name="OpenStreetMap"

        ></l-tile-layer>

        <l-control-layers />

        <l-marker :lat-lng="[0, 0]" draggable @moveend="log('moveend')">