feat: add column size attribute (#455)

layouts/_default/_markup/render-link.html

@@ -7,7 +7,7 @@
     --code
   {{- end }}"
   href="{{ .Destination | safeURL }}"
-  {{ with .Title }}title="{{ . }}"{{ end }}
+  {{- with .Title }}{{ printf "title=\"%s\"" . | safeHTMLAttr }}{{- end }}
 >
   {{- .Text | safeHTML -}}
 </a>

layouts/shortcodes/columns.html

@@ -1,4 +1,11 @@
-<div class="gdoc-columns flex flex-wrap flex-mobile-column">
+{{- $size := default "regular" (.Get "size" | lower) }}
+
+{{- if not (in (slice "regular" "large" "small") $size) }}
+  {{- $size = "regular" }}
+{{- end }}
+
+
+<div class="gdoc-columns gdoc-columns--{{ $size }} flex flex-gap flex-mobile-column">
   {{ range split .Inner "<--->" }}
     <div class="gdoc-columns__content gdoc-markdown--nested flex-even">
       {{ . | $.Page.RenderString }}