code: function addSvgs (cb) {
        // DEV: If we ever run into perf issue regarding this, we should make this a batch function as in spritesmith
        async.forEach(files, palette.addSvg.bind(palette), cb);
      }
docs: TODO: Each SVG might have a specified character TODO: This is the equivalent of a custom `layout` as defined in spritesmith Add in our svgs