Introduce processor

src/web/docs/layout.pug

@@ -1,41 +0,0 @@
-doctype html
-
-html(lang= lang)
-	head
-		meta(charset="UTF-8")
-		meta(name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no")
-		title
-			| #{title} | Misskey Docs
-		link(rel="stylesheet" href="/assets/style.css")
-		block meta
-
-		//- FontAwesome style
-		style #{common.facss}
-
-	body
-		nav
-			ul
-				each doc in common.docs
-					li: a(href=`/${lang}/${doc.name}`)= doc.title[lang] || doc.title['ja']
-			section
-				h2 API
-				ul
-					li Entities
-						ul
-							each entity in common.entities
-								li: a(href=`/${lang}/api/entities/${common.kebab(entity)}`)= entity
-					li Endpoints
-						ul
-							each endpoint in common.endpoints
-								li: a(href=`/${lang}/api/endpoints/${common.kebab(endpoint)}`)= endpoint
-		main
-			article
-				block main
-				if content
-					| !{content}
-
-			footer
-				p
-					| %i18n:docs.edit-this-page-on-github%
-					a(href=src target="_blank") %i18n:docs.edit-this-page-on-github-link%
-				small= common.copyright