feat(tabs): support icon

layouts/shortcodes/tab.html

@@ -1,7 +1,8 @@
 {{- $label := .Get "label" -}}
+{{- $icon := .Get "icon" -}}
 {{- $index := .Parent.Store.Get "tab-index" | default 0 -}}
 {{- $content := .InnerDeindent | strings.TrimSpace | .Page.RenderString -}}
 
 {{- $tabs := .Parent.Store.Get "tabs" | default slice -}}
-{{- .Parent.Store.Set "tabs" ($tabs | append (dict "label" $label "content" $content)) -}}
+{{- .Parent.Store.Set "tabs" ($tabs | append (dict "label" $label "icon" $icon "content" $content)) -}}
 {{- .Parent.Store.Set "tab-index" (add 1 $index) -}}

layouts/shortcodes/tabs.html

@@ -13,7 +13,12 @@
           role="tab"
           aria-selected="{{ cond (eq $nTabs 0) "true" "false" }}"
           data-tab-index="{{ $nTabs }}">
-          {{ index . "label" }}
+          <span class="flex items-center gap-1">
+            {{ with index . "icon" }}
+              {{ partial "icon.html" . }}
+            {{ end }}
+            {{ index . "label" }}
+          </span>
         </button>
       {{- end -}}
     </div>