chore: add inline shortcode icon

* enable `enableInlineShortcodes` in config
* add markdown icon
* update hugo stats json
* clean up mermaid template

exampleSite/hugo.yaml

@@ -38,6 +38,8 @@ markup:
   highlight:
     noClasses: false
 
+enableInlineShortcodes: true
+
 menu:
   main:
     - name: Documentation

exampleSite/hugo_stats.json

@@ -69,6 +69,7 @@
       "active:opacity-50",
       "active:shadow-gray-200",
       "active:shadow-sm",
+      "align-text-bottom",
       "appearance-none",
       "before:absolute",
       "before:bg-gray-200",
@@ -248,6 +249,7 @@
       "hover:text-gray-800",
       "hover:text-gray-900",
       "hover:text-primary-600",
+      "icon",
       "inline",
       "inline-block",
       "inline-flex",