Add search index

assets/search.html

@@ -1,3 +1,5 @@
+{{define "headScripts"}}<script src="/_/search-actions.js"></script>{{end}}
+
 {{define "searchQuery"}}{{.Query}}{{end}}
 
 {{define "content"}}
@@ -18,3 +20,16 @@
 <p class="empty">Enter a query above.</p>
 {{end}}
 {{end}}
+
+{{define "footerExtras"}}
+{{if not .IndexBuiltAt.IsZero}}<span class="muted">· Index: {{.IndexBuiltAt.Format "2006-01-02 15:04"}}</span>{{end}}
+{{end}}
+
+{{define "extras"}}
+<div class="fab dropdown">
+    <button class="btn btn-fab" data-action="actions-drop" title="Actions" aria-label="Actions">≡</button>
+    <div class="dropdown-menu align-right open-up">
+        <button class="btn dropdown-item" onclick="rebuildIndex()" title="Rebuild search index">REBUILD INDEX</button>
+    </div>
+</div>
+{{end}}