Add a feature flag for loading new CSS stylesheets

app/config/sculpin_site.yml

@@ -30,6 +30,9 @@ drupalorg:
   url: https://www.drupal.org/u/%drupalorg.username%
   username: opdavies
 
+features:
+  new_css: true
+
 github:
   url: https://github.com/%github.username%
   username: opdavies

app/config/sculpin_site_prod.yml

@@ -2,6 +2,9 @@
 imports:
   - sculpin_site.yml
 
+features:
+  new_css: false
+
 url: https://www.oliverdavies.uk
 
 use_transistor: false

source/_layouts/base.html.twig

@@ -4,7 +4,10 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width">
     <link rel="icon" type="image/x-icon" href="/favicon.ico">
-    <link href="/build/tailwind.css?v={{ site.assets.version }}" rel="stylesheet">
+    {% if site.features.new_css %}
+    {% else %}
+      <link href="/build/tailwind.css?v={{ site.assets.version }}" rel="stylesheet">
+    {% endif %}
     <link rel="canonical" href="{{ site.url }}{{ page.url|trim('/', 'right') }}">
     <meta name="author" content="Oliver Davies">
     <meta name="generator" content="Sculpin (https://sculpin.io)">