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

layouts/partials/scripts.html

@@ -4,6 +4,9 @@
 {{ $codeCopyJS := resources.Get "js/code-copy.js" }}
 <script src="{{ $codeCopyJS.RelPermalink }}"></script>
 
+{{ $menuJS := resources.Get "js/menu.js" }}
+<script src="{{ $menuJS.RelPermalink }}"></script>
+
 {{ if .Page.Store.Get "hasMermaid" }}
   <script type="module">
     // TODO: embed mermaid.min.js in the theme
@@ -18,6 +21,7 @@
   <script src="{{ $tabsJS.RelPermalink }}"></script>
 {{ end }}
 
+
 <!-- TODO: use feature flag for search and embed flexsearch -->
 {{ $searchJSFile := printf "%s.search.js" .Language.Lang }}
 {{ $searchJS := resources.Get "js/flexsearch.js" | resources.ExecuteAsTemplate $searchJSFile . }}