+ New og:thumbnail mechanism for pages

Use the image field to specify a custom image for embeds

content/posts/chocolate-and-dragonfruit.md

@@ -4,6 +4,7 @@ date: 2021-09-19
 draft: false
 description: Afterthoughts on making two random drinks
 category: article
+image: "/media/img/thumbs/dragon-soda.jpg"
 ---
 
 ## Preface

themes/shockrah.xyz/layouts/partials/head.html

@@ -15,5 +15,9 @@
 	{{ if .IsHome }}{{ $desc = .Params.Description }}{{end}}
 	<meta property="og:description" content="{{ $desc }}">
 	<meta property="og:type" content="website">
-	<meta property="og:image" content="/favicon.png">
+	{{ $ogimage := "/favicon.png" }}
+	{{ if .Params.Image }} 
+		{{ $ogimage = .Params.Image }}
+	{{ end }} 
+	<meta property="og:image" content="{{ $ogimage }}">
 </head>