Add cache buster

Author: jgthms

_layouts/collection.html

@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width">
     <title>{{page.collection_name}} - {{site.title}}</title>
     <meta name="description" content="Learn how {{page.collection_name}} works in CSS.">
-    <link rel="stylesheet" type="text/css" href="{{site.url}}/css/website.css">
+    <link rel="stylesheet" type="text/css" href="{{site.url}}/css/website.css?v={{ site.time | date: "%Y%m%d%H%M" }}">
 
     <meta property="og:url" content="{{site.url}}{{page.url}}">
     <meta property="og:type" content="website">

_layouts/single.html

@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width">
     <title>{{page.property_name}} - {{site.title}}</title>
     <meta name="description" content="Learn how {{page.property_name}} works in CSS.">
-    <link rel="stylesheet" type="text/css" href="{{site.url}}/css/website.css">
+    <link rel="stylesheet" type="text/css" href="{{site.url}}/css/website.css?v={{ site.time | date: "%Y%m%d%H%M" }}">
 
     <meta property="og:url" content="{{site.url}}{{page.url}}">
     <meta property="og:type" content="website">

index.html

@@ -11,7 +11,7 @@
     <title>{{site.title}} - {{site.subtitle}}</title>
     <meta name="description" content="{{site.description}}">
 
-    <link rel="stylesheet" type="text/css" href="{{site.url}}/css/website.css">
+    <link rel="stylesheet" type="text/css" href="{{site.url}}/css/website.css?v={{ site.time | date: "%Y%m%d%H%M" }}">
 
     <meta property="og:url" content="{{site.url}}">
     <meta property="og:type" content="website">