attempt reddit fix

Author: coppolaemilio

_layouts/default.html

@@ -20,6 +20,10 @@
 	<meta name="twitter:card" content="summary_large_image">
 	<meta property="twitter:domain" content="godotengine.org">
 	<meta property="twitter:url" content="https://godotengine.org{{ page.url }}">
+	{% if page.image %}
+		<!-- Embed fix -->
+		<link rel="preload" as="image" href="{{ site.url }}{{ page.image }}">
+	{% endif %}
 
 	{% if page.title[current_lang] or page.title %}
 		{% if page.title[current_lang] %}