feat: multi-level sidebar

chore: support multiple search elements

chore: sidebar display toc on mobile view

chore: add hamburger menu to navbar on mobile

chore: add markdown link hook

for opening external link in new window

chore: add sidebar footer

- put search under params.type
- make navbar link aware of external link

hugo.toml

@@ -66,9 +66,18 @@ defaultContentLanguage = 'en'
   [[menu.main]]
     name = 'Search'
     weight = 35
-    params = { placeholder = 'Search documentation...' }
+    params = { type = 'search', placeholder = 'Search documentation...' }
   [[menu.main]]
     name = 'GitHub'
     url = 'https://github.com'
     weight = 40
     params = { icon = 'github' }
+
+  [[menu.sidebar]]
+    name = 'More'
+    params = { type = 'separator' }
+    weight = 10
+  [[menu.sidebar]]
+    name = 'Hugo Docs ↗'
+    url = 'https://gohugo.io/documentation/'
+    weight = 20