New HTML view.

resources/twig/emails/registered-html.twig

@@ -0,0 +1,18 @@
+<p>Hey there!</p>
+
+<p>Welkome to Firefly III. Your registration has made it, and this email is here to confirm it.</p>
+
+<p>Thanks for using Firefly!</p>
+
+<script type="application/ld+json">
+  {
+    "@context": "http://schema.org",
+    "@type": "EmailMessage",
+    "action": {
+      "@type": "ViewAction",
+      "url": "https://geld.nder.be/",
+      "name": "Visit Firefly III"
+    },
+    "description": "Visit Firefly III"
+  }
+</script>