working on toc

docs.typ

@@ -15,10 +15,29 @@
         html.title(context title)
       })
       html.body({
-        html.header({
-          html.h1(context title)
+        html.header(context {
+          html.h1(title)
         })
-        html.main(content)
+      })
+      html.main(content)
+
+      html.footer(context {
+        let prev = query(selector(document).before(here()))
+        let next = query(selector(document).after(here()))
+
+        html.nav(class: "panel", {
+          if (prev.len() > 1) {
+            link(prev.at(-2).location(), html.span(class: "go-prev", prev.at(-2).title))
+          }
+          if (next.len() > 0) {
+            link(next.at(0).location(), html.span(class: "go-next", next.at(0).title))
+          }
+        })
+
+        // html.nav(class: "panel", {
+        //   let main = query(selector(document).before(<home>)).last()
+        //   link(main.location(), html.span(class: "go-home", main.title))
+        // })
       })
     }),
   )