Clickable usernames and hashtags

Should work well enough. Report edge cases.

src/site/pug/post.pug

@@ -1,3 +1,5 @@
+include includes/display_structured
+
 - const numberFormat = new Intl.NumberFormat().format
 
 doctype html
@@ -20,7 +22,8 @@ html
 					img(src=post.ownerPfpCacheP width=150 height=150 alt="").pfp
 					a.name(href=`/u/${post.getBasicOwner().username}`)= `${post.data.owner.full_name} (@${post.getBasicOwner().username})`
 				if post.getCaption()
-					p.description= post.getCaption()
+					p.structured-text.description
+						+display_structured(post.getStructuredCaption())
 			section.images-gallery
 				for entry in post.children
 					if entry.isVideo()