Add social-media-demo.css to joomla.asset.json and index.php

Co-authored-by: jmiller-moko <230051081+jmiller-moko@users.noreply.github.com>

src/templates/index.php

@@ -98,6 +98,10 @@ $wa->useStyle('template.user');   // css/user.css
 // Optional vendor CSS
 $wa->useStyle('vendor.bootstrap-toc');
 
+// Optional demo/showcase CSS (available for use, not loaded by default)
+// To use: Add 'template.global.social-media-demo' to your article/module
+// $wa->useStyle('template.global.social-media-demo');
+
 // Color theme (light + optional dark)
 $colorLightKey  = strtolower(preg_replace('/[^a-z0-9_.-]/i', '', $params_LightColorName));
 $colorDarkKey  = strtolower(preg_replace('/[^a-z0-9_.-]/i', '', $params_DarkColorName));

src/templates/joomla.asset.json

@@ -235,6 +235,11 @@
       "name": "vendor.fa7free.solid.min",
       "type": "style",
       "uri": "media/templates/site/moko-cassiopeia/vendor/fa7free/css/solid.min.css"
+    },
+    {
+      "name": "template.global.social-media-demo",
+      "type": "style",
+      "uri": "media/templates/site/moko-cassiopeia/css/global/social-media-demo.css"
     }
   ]
 }